Function of a Word or Phrase Practice Test

Which choice best describes the function of the underlined sentence in the overall structure of the text?

In education research, “growth mindset” interventions are sometimes promoted as inexpensive ways to raise achievement. Meta-analyses find that average effects are small, with larger gains appearing mainly in settings where students also receive academic support. This pattern indicates that beliefs alone rarely overcome structural barriers like under-resourced schools or unstable housing. Nevertheless, mindset messages may still matter when they are integrated into curricula that teach concrete study strategies. The most defensible claim is that mindset interventions can help, but only as part of broader instructional design.

Which choice best describes the function of the underlined sentence in the overall structure of the text?

Philosophers of technology warn that convenience can hide the costs of digital infrastructure. A single online search may seem immaterial, but it triggers data-center activity that consumes electricity and water for cooling. This observation challenges the intuition that virtual actions are environmentally neutral. Still, per-search impacts vary widely depending on energy sources and server efficiency, so simple comparisons can mislead. The most useful assessments therefore aggregate impacts across billions of queries and consider regional power grids.