Marketing Quiz: Designing Research Plans
20 questions · exam conditions
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Designing Research PlansQuestion 1 of 20

A mobile game developer notices that a large percentage of new users download their app but stop playing after the first day. The business objective is to improve the 'Day 1' user retention rate. Which research plan is best designed to diagnose the root cause of this early churn?

A survey sent to all registered users asking for a list of their most-wanted new features.
A competitive analysis of the onboarding process and core gameplay loop of the top 5 competing mobile games.
An experiment testing the effectiveness of different push notification strategies to bring lapsed users back to the app.
A mixed-method approach combining in-app behavioral analytics to find drop-off points with qualitative interviews of users who lapsed.
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Marketing Quiz

Marketing Quiz: Designing Research Plans

Practice Designing Research Plans in Marketing with focused quiz questions that help you check what you know, review explanations, and build confidence with test-style prompts.

What this quiz covers

This quiz focuses on Designing Research Plans, giving you a quick way to practice the rules, question types, and explanations that matter most for Marketing.

How to use this quiz

Try each quiz question before looking at the correct answer. Use the explanations to review missed ideas, then come back to similar questions until the pattern feels familiar.

All questions

Question 1

A mobile game developer notices that a large percentage of new users download their app but stop playing after the first day. The business objective is to improve the 'Day 1' user retention rate. Which research plan is best designed to diagnose the root cause of this early churn?

  1. A survey sent to all registered users asking for a list of their most-wanted new features.
  2. A competitive analysis of the onboarding process and core gameplay loop of the top 5 competing mobile games.
  3. An experiment testing the effectiveness of different push notification strategies to bring lapsed users back to the app.
  4. A mixed-method approach combining in-app behavioral analytics to find drop-off points with qualitative interviews of users who lapsed. (correct answer)
Explanation: This problem requires understanding both what users are doing and why. Behavioral analytics (the 'what') can pinpoint the exact screen or action where users drop off, while qualitative interviews (the 'why') can uncover the confusion, frustration, or unmet expectations that caused them to leave. This mixed-method approach (Choice D) is most powerful. Choice A focuses on features, but the problem is likely in the core initial experience. Choice B is useful context but doesn't explain the failure of this specific app. Choice C is a re-engagement tactic, not a diagnostic tool for the initial failure.

Question 2

A movie studio is preparing the marketing campaign for a new superhero film and is unsure which theme to emphasize in the trailers to generate maximum audience interest. The business question is, 'Which marketing message will be most effective?' Which research plan is the most appropriate for making this decision?

  1. Analyze the box office results and critical reviews of all superhero films released in the past five years.
  2. Conduct a large survey asking regular moviegoers what elements they generally value most in a superhero film.
  3. Create three distinct trailer concepts (e.g., emphasizing action, humor, or drama) and test them with a sample of the target audience, measuring purchase intent. (correct answer)
  4. Track social media sentiment and buzz about the film's cast and director in the months leading up to the trailer release.
Explanation: The most reliable way to know how an audience will react to a specific marketing message is to test the actual creative execution. Choice C describes a concept test, where different versions of the trailer are shown to the target audience to gauge their direct response. This provides concrete data on which message is most persuasive. Choice A is about past trends, which may not apply to this new film. Choice B is about general preferences, which are less predictive than reactions to specific stimuli. Choice D measures existing interest but does not help shape the marketing message itself.

Question 3

A well-established brand of laundry detergent has seen its market share slowly erode over the past three years. The brand manager needs to develop a plan to reverse this trend. The business question is, 'How can we regain lost market share?' Which research plan represents the most logical starting point?

  1. A large-scale quantitative study to assess the brand's performance versus competitors on key drivers of choice, such as price, cleaning power, and scent. (correct answer)
  2. An advertising copy test for a new campaign focused on the brand's heritage and trustworthiness.
  3. A series of in-home ethnographic studies to observe how consumers currently do their laundry and use detergent products.
  4. A cost-benefit analysis of introducing a new, lower-priced value version of the detergent.
Explanation: When faced with declining market share, you need to understand the root cause before jumping to solutions. This question tests your knowledge of the market research hierarchy—diagnostic research should precede solution-focused research. Option A is correct because it follows the logical research sequence. Before developing any specific tactics, you need comprehensive data on how your brand currently performs against competitors on the key factors that drive consumer choice. This quantitative study would reveal whether you're losing share due to price disadvantages, perceived quality issues, or other competitive weaknesses. Only with this diagnostic foundation can you develop an effective strategy. Option B puts the cart before the horse—testing advertising copy assumes that messaging is the problem and that heritage/trustworthiness is the right angle, without first confirming these assumptions through research. Option C, while ethnographic studies provide rich insights, would be too narrow and time-consuming as a starting point when you need broad market intelligence about competitive positioning across multiple performance dimensions. Option D jumps straight to a tactical solution (value pricing) without first understanding whether price is actually the core issue driving share loss. You might discover that consumers actually perceive quality problems, making a cheaper version counterproductive. Remember this research principle: always diagnose before you prescribe. When market share declines, start with broad competitive benchmarking to identify the specific performance gaps, then move to more targeted research about potential solutions. This prevents wasting resources on fixes that don't address the real problem.

Question 4

A consumer packaged goods (CPG) brand launched a new line of organic snacks with a significant advertising budget. Despite high advertising spend, retail scanner data shows very low product trial rates. The marketing director's business question is, 'Why is our advertising campaign failing to drive trials?' Which research question most directly addresses this business problem?

  1. Are our distribution channels making the product sufficiently available and visible to consumers in retail stores?
  2. What is the optimal long-term pricing strategy to maximize profitability for the new snack line?
  3. How can we increase our brand's overall market share in the crowded organic snack category?
  4. To what extent are the advertisements reaching the target audience, and how is the message affecting their perceptions and purchase intent? (correct answer)
Explanation: The business question specifically asks about the failure of the advertising. Therefore, the research question must focus on diagnosing the advertising's performance (Choice D). It correctly breaks the problem down into key components: reach (is the ad seen?), and impact (is the message persuasive?). While distribution (Choice A) could be a problem, the business question is focused on advertising. Price (Choice B) and market share (Choice C) are related but are not direct investigations of the ad campaign's failure.

Question 5

The owner of a local coffee shop wants to increase business during the slow afternoon period from 2:00 PM to 5:00 PM. The business question is, 'How can we increase afternoon store traffic?' Which of the following research questions must be answered first to develop an effective strategy?

  1. Would a 'buy-one-get-one-free' promotion on specialty drinks significantly increase afternoon sales?
  2. What is the demographic and psychographic profile of our current morning customers?
  3. Who are the potential afternoon customers in the immediate vicinity, and what are their needs, habits, and motivations during that time frame? (correct answer)
  4. What is the optimal assortment of pastries and snacks to offer alongside our afternoon beverages?
Explanation: Before developing any tactics (like promotions or new products), the shop must first understand the potential target audience for the afternoon period. Choice C focuses on this foundational step: identifying and understanding the potential market. The needs of this group may be very different from morning customers (Choice B). Choices A and D are specific tactical questions that should only be addressed after the foundational research in C is complete.

Question 6

A subscription box service has identified a high customer churn rate, with a significant number of subscribers cancelling after their third box. The business objective is to reduce this churn by 25% over the next year. Which of the following is the most effective research question to guide the initial investigation?

  1. Will offering a 15% discount on the fourth box be effective in improving customer retention?
  2. What are the primary reasons and trigger points for customers cancelling their subscriptions between the third and fourth billing cycles? (correct answer)
  3. How does our customer acquisition cost compare to the lifetime value of our average subscriber?
  4. What are the marketing strategies of our most successful competitors in the subscription box industry?
Explanation: The correct answer directly translates the business problem (high churn at a specific point) into a research question focused on understanding the root cause ('why are they leaving at this point?'). This exploratory and descriptive approach is the necessary first step before developing solutions. Choice A is a hypothesis to be tested later, not the initial guiding question. Choice C is a business metric analysis, not a customer-focused research question to understand behavior. Choice D is about competitive analysis, which is useful but secondary to understanding the company's own customer issues.

Question 7

A consumer products company experiences a sudden and significant sales drop in its Northeast region, while sales in other regions remain stable. The regional director's urgent business question is, 'What is causing the sales decline in the Northeast?' What should be the research team's most logical first step?

  1. Analyze internal company data and secondary market data to look for correlations with competitor pricing, promotional activities, or regional distribution issues. (correct answer)
  2. Organize a series of focus groups with loyal customers in the region to see if their habits have changed.
  3. Immediately commission a large-scale survey of consumers in the Northeast to measure shifts in brand perception and purchase intent.
  4. Recommend launching a new promotional campaign in the Northeast to stimulate demand and reverse the trend.
Explanation: When facing a sudden, region-specific business problem like this sales decline, effective marketing research follows a logical hierarchy. You should always start with the most accessible, cost-effective data sources before moving to expensive primary research. This approach helps you understand the scope of the problem and identify specific areas that need deeper investigation. Answer A is correct because analyzing existing internal data (sales records, distribution reports, inventory levels) and readily available secondary market data (competitor pricing, industry reports, economic indicators) provides immediate insights at minimal cost. This preliminary analysis can quickly reveal whether the decline correlates with external factors like new competitor activity, supply chain disruptions, or regional economic changes. It's the foundation for any subsequent research decisions. Answer B jumps prematurely to focus groups without understanding the broader landscape. Focus groups are valuable but expensive and time-consuming, and without preliminary data analysis, you might ask the wrong questions or target the wrong customer segments. Answer C suggests an immediate large-scale survey, which is costly and may be unnecessary if internal data reveals an obvious cause like a distribution problem or competitor price war. You'd want to narrow your focus first. Answer D completely abandons research in favor of action, which is dangerous when you don't understand the root cause. A promotional campaign might waste resources if the real issue is distribution or a competitor advantage. Remember: In marketing research, always exhaust existing data sources before investing in primary research. Start broad and inexpensive, then narrow your focus based on initial findings.

Question 8

A pharmaceutical company is launching a new over-the-counter allergy medication and needs to select the most effective packaging design. The business objective is for the package to stand out on a crowded retail shelf and clearly communicate the product's primary benefit. Which research methodology would provide the most valid results?

  1. Conducting focus groups where participants are shown several package designs on a screen and asked to discuss their preferences.
  2. Using eye-tracking technology and shop-along interviews to test prototype packages in a simulated, competitive retail shelf environment. (correct answer)
  3. Running a test market by launching the product with two different package designs in two different cities and comparing sales data after three months.
  4. Surveying a large online panel of allergy sufferers about their general preferences for colors, fonts, and imagery on medication packaging.
Explanation: Package effectiveness must be tested in a realistic context. A simulated retail environment (Choice B) that includes competitor packages is crucial. Eye-tracking provides objective data on what grabs attention (stand-out), while shop-along interviews provide qualitative data on comprehension and appeal. Focus groups (Choice A) and surveys on general preferences (Choice D) are decontextualized and less predictive of actual in-store behavior. A test market (Choice C) is a valid but very expensive and slow method, better suited for final validation than for initial design selection.

Question 9

A fast-food chain plans to introduce a new premium, plant-based burger. The management team is uncertain how to price it to maximize revenue without alienating its customer base. The business question is, 'What is the optimal price point for our new burger?' Which research plan is best suited to provide a direct answer?

  1. Conduct a series of focus groups with current customers to discuss their general opinions on plant-based food pricing.
  2. Analyze the prices of plant-based burgers offered by direct competitors in the same metropolitan areas.
  3. Administer a survey asking a large sample of consumers the maximum price they would be willing to pay for the new burger.
  4. Implement a conjoint analysis study where participants evaluate profiles of the new burger with varying features and price points, forcing trade-offs. (correct answer)
Explanation: Conjoint analysis is a sophisticated method specifically designed to determine the value consumers place on different product attributes (including price). It mimics real-world trade-offs, providing much more reliable data for pricing decisions than other methods. Choice A (focus groups) is too general and qualitative for setting a specific price. Choice B (competitor analysis) is a vital input but doesn't determine the optimal price for this specific product and brand. Choice C (direct willingness-to-pay questions) is notoriously unreliable as consumers are poor at estimating their own price sensitivity in a survey context.

Question 10

An e-commerce retailer observes high website traffic and a healthy rate of customers adding items to their shopping carts. However, data shows that 70% of carts are abandoned before a purchase is completed. To address the business objective of improving the checkout conversion rate, which research plan is most likely to yield actionable insights into the cause of the problem?

  1. An A/B test of different colors for the 'Complete Purchase' button on the final checkout page.
  2. A qualitative usability study observing a small group of users as they attempt to make a purchase, asking them to verbalize their thought process. (correct answer)
  3. A quantitative survey emailed to all customers who abandoned a cart in the last month, asking for their primary reason.
  4. A competitive analysis of the checkout processes of the top three competing e-commerce sites.
Explanation: The core problem is likely related to friction, confusion, or lack of trust during the checkout process. A usability study with a 'think-aloud' protocol (Choice B) is the most direct way to uncover these 'why' issues as they happen. Choice A is a test of a specific, narrow hypothesis; it is premature without first understanding the broader range of potential problems. Choice C is likely to suffer from low response rates and recall bias. Choice D provides context but does not explain what is specifically wrong with the retailer's own process for its users.

Question 11

A national retailer is planning a significant redesign of its store layout. The primary business objective is to determine if a proposed new layout will increase both sales and customer satisfaction compared to the current layout. Which research design would provide the most conclusive evidence to answer this causal question?

  1. Roll out the new layout across all stores and compare company-wide sales in the six months before and after the change.
  2. Implement the new layout in a few test stores and compare their sales and satisfaction data against a matched set of control stores. (correct answer)
  3. Survey loyalty program members, showing them digital renderings of the new layout and asking about their purchase likelihood.
  4. Conduct in-store interviews with customers in a prototype of the new layout, asking for their opinions and feedback.
Explanation: The business question is causal ('Will X cause Y?'). The strongest design to establish causality is a controlled experiment. Choice B describes a quasi-experimental design (test vs. control group), which allows the retailer to isolate the effect of the new layout from other confounding factors (e.g., seasonality, economic trends). Choice A lacks a control group, making it impossible to attribute any sales changes solely to the layout. Choices C and D measure intentions and opinions, not actual behavior and sales impact, which are the key business metrics.

Question 12

A city's public transit agency wants to increase ridership among commuters who currently drive to work alone. The agency's business question is, 'How can we persuade solo car commuters to start using public transit?' To design an effective intervention, which research question is most critical to answer first?

  1. What is the demographic profile of our current transit riders?
  2. What are the primary perceived barriers and key trade-offs for car commuters when considering public transit? (correct answer)
  3. How effective would an ad campaign focused on the environmental benefits of transit be in changing commuter behavior?
  4. Which transit routes and times have the most capacity to absorb new riders?
Explanation: To change behavior, one must first understand the reasons for the current behavior. The target audience is non-riders, so the research must focus on them. Choice B directly addresses this by seeking to uncover their specific barriers (e.g., time, convenience, cost, comfort) and what they would need to see to make a switch. Understanding current riders (Choice A) doesn't explain how to attract non-riders. Choice C proposes a specific solution before the problem is understood. Choice D is an operational question, not a marketing research question about customer motivation.

Question 13

A pharmaceutical company is launching a new over-the-counter allergy medication and needs to select the most effective packaging design. The business objective is for the package to stand out on a crowded retail shelf and clearly communicate the product's primary benefit. Which research methodology would provide the most valid results?

  1. Conducting focus groups where participants are shown several package designs on a screen and asked to discuss their preferences.
  2. Using eye-tracking technology and shop-along interviews to test prototype packages in a simulated, competitive retail shelf environment. (correct answer)
  3. Running a test market by launching the product with two different package designs in two different cities and comparing sales data after three months.
  4. Surveying a large online panel of allergy sufferers about their general preferences for colors, fonts, and imagery on medication packaging.
Explanation: Package effectiveness must be tested in a realistic context. A simulated retail environment (Choice B) that includes competitor packages is crucial. Eye-tracking provides objective data on what grabs attention (stand-out), while shop-along interviews provide qualitative data on comprehension and appeal. Focus groups (Choice A) and surveys on general preferences (Choice D) are decontextualized and less predictive of actual in-store behavior. A test market (Choice C) is a valid but very expensive and slow method, better suited for final validation than for initial design selection.

Question 14

A large corporation is concerned about its public reputation regarding corporate social responsibility (CSR). The CEO tasks the marketing department with answering the business question, 'How can we improve our CSR reputation?' What is the most appropriate initial research question to guide the development of a CSR strategy?

  1. How much money are our direct competitors donating to charitable causes each year?
  2. Which CSR issues are most important to our key stakeholders, and what is the gap between their expectations and their perception of our performance? (correct answer)
  3. Will publishing an annual CSR report on our website significantly improve our scores on sustainability indexes?
  4. What is the potential return on investment for sponsoring a major environmental initiative?
Explanation: An effective CSR strategy must be stakeholder-centric. The crucial first step is to identify what stakeholders (customers, employees, investors, etc.) actually care about and then to measure the company's current perceived performance on those specific issues (a gap analysis). This provides a clear roadmap for where to invest resources. Choice A is simple benchmarking and doesn't reveal stakeholder priorities. Choices C and D are questions about specific tactics that should only be considered after the foundational research in B is complete.

Question 15

A hotel chain wants to improve its customer loyalty program. The business problem is that while many guests sign up for the program, very few actively engage with it or redeem points. The business objective is to increase active program engagement. Which research question should guide the redesign effort?

  1. From the perspective of enrolled members, what are the perceived benefits and barriers to actively using the loyalty program's features and rewards? (correct answer)
  2. How can we reduce the operational costs associated with administering our loyalty program?
  3. What are the most common rewards offered by the loyalty programs of competing hotel chains?
  4. What is the correlation between a guest's lifetime value and their enrollment status in the loyalty program?
Explanation: When you encounter questions about research design in marketing, focus on aligning the research question with the specific business objective. The key is ensuring your research will generate actionable insights that directly address the problem you're trying to solve. Option A is correct because it directly targets the core issue: understanding why enrolled members aren't actively engaging. By exploring perceived benefits and barriers from the members' perspective, you'll uncover specific pain points and motivations that can inform program redesign. This customer-centric approach generates actionable insights about user experience, reward relevance, and engagement obstacles. Option B focuses on operational costs rather than engagement. While cost reduction might be important for profitability, it doesn't address why members aren't using the program and could actually worsen engagement if it leads to reduced program value. Option C examines competitor offerings but misses the internal engagement problem. Knowing what competitors offer doesn't explain why your current members aren't participating. You might discover your rewards are already competitive, yet engagement remains low due to other factors like program complexity or communication issues. Option D looks at the relationship between lifetime value and enrollment but doesn't address the engagement gap among existing members. This correlation analysis won't reveal why enrolled members aren't actively participating or how to motivate them. Remember: Always ensure your research question directly connects to your business objective. If the goal is increasing engagement, your research should uncover specific barriers to engagement and opportunities to remove them.

Question 16

A city's public transit agency wants to increase ridership among commuters who currently drive to work alone. The agency's business question is, 'How can we persuade solo car commuters to start using public transit?' To design an effective intervention, which research question is most critical to answer first?

  1. What is the demographic profile of our current transit riders?
  2. What are the primary perceived barriers and key trade-offs for car commuters when considering public transit? (correct answer)
  3. How effective would an ad campaign focused on the environmental benefits of transit be in changing commuter behavior?
  4. Which transit routes and times have the most capacity to absorb new riders?
Explanation: To change behavior, one must first understand the reasons for the current behavior. The target audience is non-riders, so the research must focus on them. Choice B directly addresses this by seeking to uncover their specific barriers (e.g., time, convenience, cost, comfort) and what they would need to see to make a switch. Understanding current riders (Choice A) doesn't explain how to attract non-riders. Choice C proposes a specific solution before the problem is understood. Choice D is an operational question, not a marketing research question about customer motivation.

Question 17

A fast-food chain plans to introduce a new premium, plant-based burger. The management team is uncertain how to price it to maximize revenue without alienating its customer base. The business question is, 'What is the optimal price point for our new burger?' Which research plan is best suited to provide a direct answer?

  1. Conduct a series of focus groups with current customers to discuss their general opinions on plant-based food pricing.
  2. Analyze the prices of plant-based burgers offered by direct competitors in the same metropolitan areas.
  3. Administer a survey asking a large sample of consumers the maximum price they would be willing to pay for the new burger.
  4. Implement a conjoint analysis study where participants evaluate profiles of the new burger with varying features and price points, forcing trade-offs. (correct answer)
Explanation: Conjoint analysis is a sophisticated method specifically designed to determine the value consumers place on different product attributes (including price). It mimics real-world trade-offs, providing much more reliable data for pricing decisions than other methods. Choice A (focus groups) is too general and qualitative for setting a specific price. Choice B (competitor analysis) is a vital input but doesn't determine the optimal price for this specific product and brand. Choice C (direct willingness-to-pay questions) is notoriously unreliable as consumers are poor at estimating their own price sensitivity in a survey context.

Question 18

A city museum has seen a steady decline in attendance among young adults aged 18-30. The museum board wants to develop programming and marketing to reverse this trend. Their business question is, 'How can we make our museum more appealing to young adults?' What should be the first step in a research plan to address this question?

  1. Launch a pilot social media campaign with several different messages targeting young adults and analyze engagement metrics.
  2. Analyze the marketing strategies and programming of other local cultural attractions that are popular with the 18-30 demographic.
  3. Conduct exploratory focus groups and in-depth interviews with young adults to understand their leisure habits, interests, and current perceptions of the museum. (correct answer)
  4. Administer a quantitative survey to a large, representative sample of city residents to gauge overall museum brand awareness and favorability.
Explanation: The museum first needs to understand the 'why' behind the lack of attendance from the target group's perspective. Exploratory, qualitative research (Choice C) is the best method for uncovering these underlying attitudes, motivations, and barriers. Launching a campaign (Choice A) is jumping to a solution without a diagnosis. Competitive analysis (Choice B) is useful but doesn't reveal direct perceptions of the museum itself. A broad survey (Choice D) is not focused enough on the specific target segment of young adults.

Question 19

A consumer products company experiences a sudden and significant sales drop in its Northeast region, while sales in other regions remain stable. The regional director's urgent business question is, 'What is causing the sales decline in the Northeast?' What should be the research team's most logical first step?

  1. Analyze internal company data and secondary market data to look for correlations with competitor pricing, promotional activities, or regional distribution issues. (correct answer)
  2. Organize a series of focus groups with loyal customers in the region to see if their habits have changed.
  3. Immediately commission a large-scale survey of consumers in the Northeast to measure shifts in brand perception and purchase intent.
  4. Recommend launching a new promotional campaign in the Northeast to stimulate demand and reverse the trend.
Explanation: When facing a sudden, region-specific business problem like this sales decline, effective marketing research follows a logical hierarchy. You should always start with the most accessible, cost-effective data sources before moving to expensive primary research. This approach helps you understand the scope of the problem and identify specific areas that need deeper investigation. Answer A is correct because analyzing existing internal data (sales records, distribution reports, inventory levels) and readily available secondary market data (competitor pricing, industry reports, economic indicators) provides immediate insights at minimal cost. This preliminary analysis can quickly reveal whether the decline correlates with external factors like new competitor activity, supply chain disruptions, or regional economic changes. It's the foundation for any subsequent research decisions. Answer B jumps prematurely to focus groups without understanding the broader landscape. Focus groups are valuable but expensive and time-consuming, and without preliminary data analysis, you might ask the wrong questions or target the wrong customer segments. Answer C suggests an immediate large-scale survey, which is costly and may be unnecessary if internal data reveals an obvious cause like a distribution problem or competitor price war. You'd want to narrow your focus first. Answer D completely abandons research in favor of action, which is dangerous when you don't understand the root cause. A promotional campaign might waste resources if the real issue is distribution or a competitor advantage. Remember: In marketing research, always exhaust existing data sources before investing in primary research. Start broad and inexpensive, then narrow your focus based on initial findings.

Question 20

A mobile game developer notices that a large percentage of new users download their app but stop playing after the first day. The business objective is to improve the 'Day 1' user retention rate. Which research plan is best designed to diagnose the root cause of this early churn?

  1. A survey sent to all registered users asking for a list of their most-wanted new features.
  2. A competitive analysis of the onboarding process and core gameplay loop of the top 5 competing mobile games.
  3. An experiment testing the effectiveness of different push notification strategies to bring lapsed users back to the app.
  4. A mixed-method approach combining in-app behavioral analytics to find drop-off points with qualitative interviews of users who lapsed. (correct answer)
Explanation: This problem requires understanding both what users are doing and why. Behavioral analytics (the 'what') can pinpoint the exact screen or action where users drop off, while qualitative interviews (the 'why') can uncover the confusion, frustration, or unmet expectations that caused them to leave. This mixed-method approach (Choice D) is most powerful. Choice A focuses on features, but the problem is likely in the core initial experience. Choice B is useful context but doesn't explain the failure of this specific app. Choice C is a re-engagement tactic, not a diagnostic tool for the initial failure.