Psychology Quiz: Selective Attention
20 questions · exam conditions
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Selective AttentionQuestion 1 of 20

In a study modeled after the famous 'gorilla experiment,' researchers have participants count basketball passes. They also introduce a novel condition where the 'gorilla' stops in the middle of the players and waves directly at the camera. A third condition is identical to the first, but participants are told beforehand to watch for 'anything out of the ordinary.' Which of the following results would provide the strongest challenge to a simple, bottom-up explanation of attention?

Fewer than half the participants in the initial condition notice the gorilla, even when it waves.
Participants who are told to watch for the unusual notice the gorilla at a significantly higher rate.
The accuracy of the basketball pass count is lower for participants who notice the gorilla.
The color of the gorilla's suit (black or white) has no significant effect on detection rates.
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Psychology Quiz

Psychology Quiz: Selective Attention

Practice Selective Attention in Psychology 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 Selective Attention, giving you a quick way to practice the rules, question types, and explanations that matter most for Psychology.

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

In a study modeled after the famous 'gorilla experiment,' researchers have participants count basketball passes. They also introduce a novel condition where the 'gorilla' stops in the middle of the players and waves directly at the camera. A third condition is identical to the first, but participants are told beforehand to watch for 'anything out of the ordinary.' Which of the following results would provide the strongest challenge to a simple, bottom-up explanation of attention?

  1. Fewer than half the participants in the initial condition notice the gorilla, even when it waves.
  2. Participants who are told to watch for the unusual notice the gorilla at a significantly higher rate. (correct answer)
  3. The accuracy of the basketball pass count is lower for participants who notice the gorilla.
  4. The color of the gorilla's suit (black or white) has no significant effect on detection rates.
Explanation: A simple, bottom-up explanation of attention would suggest that a salient, high-contrast stimulus (like a waving gorilla) should automatically capture attention regardless of the observer's goals. The finding that a top-down instruction ('watch for anything out of the ordinary') dramatically increases detection rates (B) demonstrates that our expectations and goals (top-down processing) play a critical role in what we perceive, overriding even strong bottom-up signals. This directly challenges the idea that attention is driven solely by stimulus properties. A and C are expected results of inattentional blindness and divided attention, respectively. D would be a minor detail within the broader phenomenon.

Question 2

A meta-analysis of studies on driving while using a cell phone indicates that performance decrements (e.g., slower reaction times, missed signals) are virtually identical for handheld and hands-free devices. This finding is critical because it demonstrates that the primary source of attentional impairment is:

  1. the motor interference from holding or manipulating a device while trying to steer the vehicle.
  2. the division of visual attention between the road and the device's screen or buttons.
  3. the cognitive load of engaging in a conversation, which competes for limited central executive resources. (correct answer)
  4. the inattentional deafness caused by focusing on the phone conversation over auditory traffic cues.
Explanation: The fact that hands-free phones are just as dangerous as handheld ones rules out motor interference (A) and division of visual attention (B) as the main problems. The key issue is the cognitive demand of the conversation itself. Participating in a conversation requires attentional resources—part of the brain's 'central executive'—to listen, comprehend, plan responses, and speak. These are the same resources needed to monitor traffic, anticipate hazards, and make driving decisions. This competition for limited resources impairs driving performance, regardless of how the phone is held. While inattentional deafness (D) can be a factor, the broader concept of cognitive load (C) explains the full range of visual and cognitive impairments observed.

Question 3

Research comparing the attentional abilities of expert and novice basketball players has shown that experts are often more susceptible to inattentional blindness for unexpected events (like a person in a gorilla suit walking through a game) than novices. The most supported explanation for this counterintuitive finding is that:

  1. novices have a greater overall attentional capacity than experts.
  2. experts' highly developed schemas for game-play cause them to filter out irrelevant information more aggressively. (correct answer)
  3. novices are more easily distracted by any novel stimulus, whether it is relevant or not.
  4. experts engage in a form of divided attention between offensive and defensive patterns that novices cannot.
Explanation: Expertise involves developing highly efficient schemas and attentional sets that guide perception toward relevant information and away from irrelevant information. For a basketball expert, information relates to player positions, ball movement, and strategic plays. A gorilla is profoundly irrelevant to this schema. Therefore, their top-down attentional filter, honed by thousands of hours of practice, is more likely to completely exclude the unexpected event. Novices, lacking such a refined schema, have a more diffuse attentional focus and are thus less efficient but paradoxically more likely to notice things that don't fit. A is incorrect. C is plausible but B is a more precise explanation of the mechanism. D is also plausible but the filtering of irrelevant information (B) is the more direct cause of the inattentional blindness.

Question 4

A participant in an experiment is shown a computer screen with a central cross and asked to judge whether lines flashed briefly to the left or right of the cross are longer. On a critical trial, a small, unexpected shape (e.g., a star) is flashed at the center, replacing the cross, at the same time as the lines. Many participants report not seeing the star. This result is best interpreted as evidence for:

  1. a failure of iconic memory to hold the image of the star long enough for processing.
  2. inattentional blindness due to a narrow spatial focus of attention away from the fixation point. (correct answer)
  3. the limits of divided attention, as participants cannot judge lines and identify shapes simultaneously.
  4. change blindness, as the central cross was replaced by the unexpected star shape.
Explanation: This scenario describes an experiment designed to test inattentional blindness. Participants are induced to focus their attention narrowly on the peripheral locations where the lines appear. This spatial allocation of attention means that even though their eyes are pointed at the center (fixation point), their 'attentional spotlight' is elsewhere. Consequently, they fail to perceive the unexpected stimulus (the star) presented at the fovea. This is not divided attention (C) because they are supposed to be doing one task. While it is technically a change (D), the phenomenon is better described as inattentional blindness because the failure is due to misdirection of attention to a different spatial location, not an inability to compare two scenes over time.

Question 5

An experienced pilot is conducting a routine flight on a clear day and is engaged in a non-essential conversation with the co-pilot. As the plane approaches a busy airport for landing, air traffic control issues a complex series of instructions. The pilot immediately ceases the conversation. This shift in behavior best illustrates that:

  1. the cocktail party effect fails when auditory information becomes too complex for processing.
  2. inattentional blindness to the flight instruments is a constant risk during any conversation.
  3. tasks that can be performed with divided attention under low cognitive load become resource-demanding as task difficulty increases. (correct answer)
  4. long-term potentiation for flight procedures is weakened by the concurrent verbal task.
Explanation: The pilot can handle flying and conversation when the cognitive load of flying is low (routine flight). However, landing in busy airspace is a high-load task requiring significant attentional resources. The pilot stops talking to reallocate all available resources to the primary task. This demonstrates that the ability to divide attention is not static; it depends on the demands of the tasks. When demands exceed capacity, one task must be prioritized. A is a misapplication of the cocktail party effect. B is plausible, but the core concept illustrated is the changing capacity for divided attention, not just a static risk of inattentional blindness. D is a neurobiological concept not directly illustrated by this behavioral shift.

Question 6

According to Load Theory of Attention, in which of the following situations would a person be least likely to notice their name being called from across the room?

  1. While casually watching a simple, predictable television show.
  2. While searching for a specific friend's face in a large, static crowd photograph.
  3. While listening to instrumental music and daydreaming.
  4. While proofreading a complex legal document for grammatical errors. (correct answer)
Explanation: Load Theory of Attention posits that the processing of irrelevant distractors depends on the perceptual load of the primary task. When the primary task has a high perceptual load (i.e., it is very demanding and uses up all available processing capacity), there are no leftover resources to process distractors. Proofreading a complex document (D) is a high-load task. In contrast, watching a simple TV show (A), searching a static photo (B, which is still less demanding than active proofreading), and daydreaming (C) are all lower-load tasks, leaving attentional resources available to process the distracting sound of one's name.

Question 7

A researcher presents participants with two nearly identical images of a library scene, alternating between them with a brief gray screen inserted after each presentation. In the second image, a large globe has been removed from a table. Most participants take a surprisingly long time to notice this change. What is the primary function of the gray screen in this paradigm?

  1. It overloads iconic memory, forcing participants to rely on less reliable short-term memory for comparison.
  2. It eliminates the motion transient that would otherwise automatically capture the observer's attention. (correct answer)
  3. It provides a necessary temporal gap for sensory adaptation to the initial image to occur.
  4. It creates cognitive dissonance by presenting conflicting information, thereby impairing judgment.
Explanation: This scenario describes a classic change blindness experiment. The key to inducing change blindness in this flicker paradigm is the insertion of a blank screen. This screen prevents the brain from detecting the local motion signal (the 'pop-out' effect) that would occur at the location of the change. Without this automatic cue, attention must be serially and effortfully deployed across the scene to find the difference, which takes time. A suggests an overload of iconic memory, which is related but the specific function is to mask the motion cue. C is incorrect as sensory adaptation refers to reduced sensitivity to a constant stimulus. D is an incorrect application of cognitive dissonance.

Question 8

An expert radiologist is asked to examine a chest X-ray for nodules that could indicate cancer. A researcher superimposes a small but unambiguous image of a dancing cartoon character onto a corner of the X-ray. Follow-up questioning reveals the radiologist, despite having looked directly at the area, did not see the cartoon. This is a powerful illustration of inattentional blindness, primarily because:

  1. the cartoon character is a novel stimulus that does not fit with the radiologist's perceptual schema for X-rays.
  2. the demanding nature of the search task exhausts the top-down attentional resources available for noticing unexpected objects. (correct answer)
  3. the radiologist's visual acuity is naturally lower in the periphery of the retina where the cartoon was placed.
  4. the phenomenon is best explained by a failure of bottom-up processing of the unexpected visual information.
Explanation: This scenario demonstrates how a highly focused, top-down attentional set can lead to inattentional blindness. The radiologist's task (searching for nodules) is cognitively demanding and requires a specific attentional filter. This high perceptual load consumes most, if not all, of their available attentional capacity. As a result, there are no leftover resources to process the unexpected (task-irrelevant) cartoon, even if it is fully visible. A is true, but it's the consequence of the reason described in B. C might be true but isn't the primary cognitive explanation. D is incorrect; the bottom-up information is available on the retina, but it is not selected for further processing due to top-down attentional limits.

Question 9

A student is writing a research paper while intermittently checking for new messages from friends. Which of the following best describes the 'switching cost' associated with this pattern of divided attention?

  1. The time spent reading and responding to the messages instead of working on the paper.
  2. The gradual decay of the paper's details from the student's long-term memory.
  3. The mental effort and time required to disengage from one task and fully re-engage with the other. (correct answer)
  4. The inattentional blindness to the content of the paper that occurs while the student is thinking about the messages.
Explanation: The cost of 'multitasking' is more than just the sum of the time spent on each task (A). A significant and often overlooked component is the switching cost: the time and cognitive resources consumed by the act of stopping one task, reorienting to the new task, and then later disengaging from the second task and reloading the mental context of the original one. For a complex task like writing, this re-engagement process can be particularly slow and effortful. B describes a memory process, but it's not the switching cost. D misuses the term inattentional blindness.

Question 10

According to theories of modality-specific attentional resources (e.g., Wickens' Multiple Resource Theory), which pair of concurrent tasks is likely to produce the most significant interference and performance degradation for an individual?

  1. Steering a car through a slalom course and listening to a weather report.
  2. Reading a chapter in a textbook and listening to instrumental classical music.
  3. Mentally rotating a complex 3D shape and visually tracking a moving target on a screen. (correct answer)
  4. Repeating a list of spoken numbers aloud and tapping one's foot to a simple rhythm.
Explanation: Multiple Resource Theory proposes that we have different pools of attentional resources for different modalities (e.g., visual vs. auditory) and codes (e.g., spatial vs. verbal). Interference is greatest when two tasks compete for the same specific resource pool. Mentally rotating a shape (C) is a visuo-spatial task, and tracking a moving target is also a visuo-spatial task. They compete directly for the same limited resources, leading to maximum interference. The other pairs involve tasks that draw from different resource pools: A (spatial-motor vs. auditory-verbal), B (visual-verbal vs. auditory-nonverbal), and D (vocal-verbal vs. motor-nonverbal), and thus would produce less interference.

Question 11

A magician performs a trick where he throws a red ball into the air. As the audience tracks the ball, he uses his other hand, which was holding the ball, to pick up a hidden lemon. He then 'catches' the lemon. Most audience members perceive that the red ball transformed into a lemon in mid-air. This illusion relies on the audience experiencing a form of inattentional blindness, specifically because their:

  1. attention is focused on the expected trajectory of the ball, causing them to miss the subtle action of the magician's other hand. (correct answer)
  2. sensory memory for the red ball decays before the lemon appears, leading to a blending of the two perceptions.
  3. divided attention between the two hands of the magician fails, allowing the transformation to go unnoticed.
  4. top-down expectations for magical events override the bottom-up information that a switch occurred.
Explanation: This is a classic misdirection technique that exploits the limits of selective attention. The audience's attention is directed to a specific location and event (the arc of the thrown ball). This focused attention on the ball's anticipated path means they are not attending to the magician's other hand, which performs the critical switch. This failure to perceive a visible but unattended action is a form of inattentional blindness. B is incorrect because sensory memory is too brief to be the main factor. C is incorrect as they are not trying to divide attention; they are being directed to focus it. D is a factor in the interpretation, but the core perceptual failure is due to misdirected selective attention (A).

Question 12

A person is playing a fast-paced video game that requires constant monitoring of multiple locations on the screen for enemies. At the same time, they are talking to a friend on a headset about their plans for the weekend. The conversation will most likely impair their game performance by:

  1. reducing the attentional resources available for visual search and decision-making. (correct answer)
  2. slowing their motor reflexes for pressing buttons on the controller.
  3. causing change blindness for enemy characters that appear on the screen.
  4. creating a Stroop-like interference between auditory and visual information.
Explanation: This question tests your understanding of attention and cognitive resource allocation, particularly dual-task interference. When you encounter scenarios involving multiple simultaneous tasks, think about how our limited cognitive resources get divided. The correct answer is A because attention operates like a finite resource pool. When you're engaged in a demanding visual search task (scanning for enemies) while simultaneously processing and producing speech (chatting with your friend), both tasks compete for the same limited attentional resources. The conversation requires working memory to track the discussion thread and executive attention to formulate responses, leaving fewer cognitive resources available for the visual-spatial processing and rapid decision-making that gaming demands. Option B is incorrect because talking doesn't directly impair motor reflexes or the physical ability to press buttons. The motor skills remain intact; it's the cognitive processing that suffers. Option C misapplies change blindness, which occurs when we fail to notice changes in visual scenes during brief interruptions, not during continuous dual-task situations. The gaming impairment here isn't about missing visual changes but about reduced processing capacity. Option D incorrectly suggests Stroop-like interference, which specifically involves conflicts between automatic and controlled processes (like reading color words printed in different colors), not simply dividing attention between different sensory modalities. Remember: when you see dual-task scenarios on psychology exams, focus on attentional resource limitations rather than sensory interference. The brain's processing capacity, not sensory channels, is typically the bottleneck in multitasking situations.

Question 13

In a study modeled after the famous 'gorilla experiment,' researchers have participants count basketball passes. They also introduce a novel condition where the 'gorilla' stops in the middle of the players and waves directly at the camera. A third condition is identical to the first, but participants are told beforehand to watch for 'anything out of the ordinary.' Which of the following results would provide the strongest challenge to a simple, bottom-up explanation of attention?

  1. Fewer than half the participants in the initial condition notice the gorilla, even when it waves.
  2. Participants who are told to watch for the unusual notice the gorilla at a significantly higher rate. (correct answer)
  3. The accuracy of the basketball pass count is lower for participants who notice the gorilla.
  4. The color of the gorilla's suit (black or white) has no significant effect on detection rates.
Explanation: A simple, bottom-up explanation of attention would suggest that a salient, high-contrast stimulus (like a waving gorilla) should automatically capture attention regardless of the observer's goals. The finding that a top-down instruction ('watch for anything out of the ordinary') dramatically increases detection rates (B) demonstrates that our expectations and goals (top-down processing) play a critical role in what we perceive, overriding even strong bottom-up signals. This directly challenges the idea that attention is driven solely by stimulus properties. A and C are expected results of inattentional blindness and divided attention, respectively. D would be a minor detail within the broader phenomenon.

Question 14

An expert radiologist is asked to examine a chest X-ray for nodules that could indicate cancer. A researcher superimposes a small but unambiguous image of a dancing cartoon character onto a corner of the X-ray. Follow-up questioning reveals the radiologist, despite having looked directly at the area, did not see the cartoon. This is a powerful illustration of inattentional blindness, primarily because:

  1. the cartoon character is a novel stimulus that does not fit with the radiologist's perceptual schema for X-rays.
  2. the demanding nature of the search task exhausts the top-down attentional resources available for noticing unexpected objects. (correct answer)
  3. the radiologist's visual acuity is naturally lower in the periphery of the retina where the cartoon was placed.
  4. the phenomenon is best explained by a failure of bottom-up processing of the unexpected visual information.
Explanation: This scenario demonstrates how a highly focused, top-down attentional set can lead to inattentional blindness. The radiologist's task (searching for nodules) is cognitively demanding and requires a specific attentional filter. This high perceptual load consumes most, if not all, of their available attentional capacity. As a result, there are no leftover resources to process the unexpected (task-irrelevant) cartoon, even if it is fully visible. A is true, but it's the consequence of the reason described in B. C might be true but isn't the primary cognitive explanation. D is incorrect; the bottom-up information is available on the retina, but it is not selected for further processing due to top-down attentional limits.

Question 15

A researcher investigates the limits of auditory attention. Participants listen to two different streams of speech, one in each ear, and are instructed to shadow (repeat aloud) the message from the right ear. Which of the following unexpected events in the unattended (left) ear is most likely to be consciously noticed by the participant?

  1. The speaker's voice changing from male to female.
  2. The language of the speech changing from English to German.
  3. The content of the speech becoming nonsensical gibberish.
  4. A sentence that includes the participant's own name. (correct answer)
Explanation: This describes a dichotic listening task, used to study selective auditory attention. While participants typically filter out the content of the unattended ear, certain stimuli can break through the filter. Research (related to the Cocktail Party Effect) shows that highly salient and personally relevant information, like one's own name, is a powerful exception. Physical changes like voice gender (A) are sometimes noticed, but semantic content changes (B, C) are almost always missed. The personal relevance of one's name makes it the most likely to capture attention.

Question 16

A meta-analysis of studies on driving while using a cell phone indicates that performance decrements (e.g., slower reaction times, missed signals) are virtually identical for handheld and hands-free devices. This finding is critical because it demonstrates that the primary source of attentional impairment is:

  1. the motor interference from holding or manipulating a device while trying to steer the vehicle.
  2. the division of visual attention between the road and the device's screen or buttons.
  3. the cognitive load of engaging in a conversation, which competes for limited central executive resources. (correct answer)
  4. the inattentional deafness caused by focusing on the phone conversation over auditory traffic cues.
Explanation: The fact that hands-free phones are just as dangerous as handheld ones rules out motor interference (A) and division of visual attention (B) as the main problems. The key issue is the cognitive demand of the conversation itself. Participating in a conversation requires attentional resources—part of the brain's 'central executive'—to listen, comprehend, plan responses, and speak. These are the same resources needed to monitor traffic, anticipate hazards, and make driving decisions. This competition for limited resources impairs driving performance, regardless of how the phone is held. While inattentional deafness (D) can be a factor, the broader concept of cognitive load (C) explains the full range of visual and cognitive impairments observed.

Question 17

A student is writing a research paper while intermittently checking for new messages from friends. Which of the following best describes the 'switching cost' associated with this pattern of divided attention?

  1. The time spent reading and responding to the messages instead of working on the paper.
  2. The gradual decay of the paper's details from the student's long-term memory.
  3. The mental effort and time required to disengage from one task and fully re-engage with the other. (correct answer)
  4. The inattentional blindness to the content of the paper that occurs while the student is thinking about the messages.
Explanation: The cost of 'multitasking' is more than just the sum of the time spent on each task (A). A significant and often overlooked component is the switching cost: the time and cognitive resources consumed by the act of stopping one task, reorienting to the new task, and then later disengaging from the second task and reloading the mental context of the original one. For a complex task like writing, this re-engagement process can be particularly slow and effortful. B describes a memory process, but it's not the switching cost. D misuses the term inattentional blindness.

Question 18

According to theories of modality-specific attentional resources (e.g., Wickens' Multiple Resource Theory), which pair of concurrent tasks is likely to produce the most significant interference and performance degradation for an individual?

  1. Steering a car through a slalom course and listening to a weather report.
  2. Reading a chapter in a textbook and listening to instrumental classical music.
  3. Mentally rotating a complex 3D shape and visually tracking a moving target on a screen. (correct answer)
  4. Repeating a list of spoken numbers aloud and tapping one's foot to a simple rhythm.
Explanation: Multiple Resource Theory proposes that we have different pools of attentional resources for different modalities (e.g., visual vs. auditory) and codes (e.g., spatial vs. verbal). Interference is greatest when two tasks compete for the same specific resource pool. Mentally rotating a shape (C) is a visuo-spatial task, and tracking a moving target is also a visuo-spatial task. They compete directly for the same limited resources, leading to maximum interference. The other pairs involve tasks that draw from different resource pools: A (spatial-motor vs. auditory-verbal), B (visual-verbal vs. auditory-nonverbal), and D (vocal-verbal vs. motor-nonverbal), and thus would produce less interference.

Question 19

A security guard is watching a bank of 16 monochrome security monitors. The guard's primary task is to watch for unauthorized individuals entering restricted areas. Which of the following events would the guard be most likely to miss due to the limits of selective attention?

  1. The jacket of a person on screen 7, initially unzipped, is now zipped up. (correct answer)
  2. A person on screen 2 suddenly begins running.
  3. A large box that was not there before appears on the floor of screen 11.
  4. The lights in the hallway on screen 4 flicker off and on.
Explanation: This question tests your understanding of selective attention and change blindness in a realistic surveillance scenario. When people focus their attention on specific tasks, they often miss changes that seem obvious in hindsight but fall outside their attentional focus. The security guard's primary task is watching for unauthorized individuals entering restricted areas. This creates a specific attentional filter—the guard is primed to notice people and their movements, particularly new individuals or suspicious behavior. Choice A represents the most subtle change that falls outside this primary focus. A jacket changing from unzipped to zipped is a minor clothing detail that doesn't signal unauthorized entry or suspicious activity. The person remains the same authorized individual; only a small visual detail has changed. This type of gradual, task-irrelevant change is exactly what selective attention filters out. Choice B is incorrect because sudden running directly relates to the guard's primary task—this represents potentially suspicious behavior that would immediately capture attention. Choice C is wrong because the appearance of a large new object represents a significant environmental change that would likely break through attentional filters, especially since unauthorized individuals might bring or leave objects. Choice D is incorrect because flickering lights create dynamic visual changes that naturally draw attention due to motion detection mechanisms in our visual system. Remember that selective attention isn't about what's objectively most noticeable—it's about what's relevant to the observer's current goals and expectations. Always consider what the person is specifically looking for, not just what seems most obvious to you.

Question 20

A researcher investigates the limits of auditory attention. Participants listen to two different streams of speech, one in each ear, and are instructed to shadow (repeat aloud) the message from the right ear. Which of the following unexpected events in the unattended (left) ear is most likely to be consciously noticed by the participant?

  1. The speaker's voice changing from male to female.
  2. The language of the speech changing from English to German.
  3. The content of the speech becoming nonsensical gibberish.
  4. A sentence that includes the participant's own name. (correct answer)
Explanation: This describes a dichotic listening task, used to study selective auditory attention. While participants typically filter out the content of the unattended ear, certain stimuli can break through the filter. Research (related to the Cocktail Party Effect) shows that highly salient and personally relevant information, like one's own name, is a powerful exception. Physical changes like voice gender (A) are sometimes noticed, but semantic content changes (B, C) are almost always missed. The personal relevance of one's name makes it the most likely to capture attention.