Response style

Systematic ways respondents answer items that aren't driven by item content — patterns like agreeing-with-everything or always picking the middle.

Response style refers to systematic ways respondents answer assessment items that aren't driven by the content of the items themselves. Common response styles include acquiescence (agreeing regardless), central tendency (always picking the middle option), and extreme responding (always picking the endpoints).

Response styles affect score interpretation: a respondent with strong central-tendency bias and one with extreme bias might have identical "true" levels of a trait but very different scores. Mixed item polarity, forced-choice formats, and validity scales are common ways assessments try to detect or reduce response style effects.

Acquiescence bias — The tendency of respondents to agree with statements regardless of content, inflating scores on positively worded items.
Reverse-scored item — An item worded so that endorsement indicates the opposite of the construct being measured; its score is flipped during calculation.
Social desirability bias — The tendency of respondents to answer in ways that present themselves favorably rather than accurately.
Self-report — An assessment format in which respondents rate their own thoughts, feelings, or behaviors.

Response style

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