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A bipolar scale is a rating scale that measures a construct along a dichotomous spectrum, such as ranging from 'Like very much' to 'Dislike very much'. Seven-point formats are typically the most effective for these types of scales.

Bipolar Scale

Branching is a survey technique used with bipolar questions to improve reliability and validity. It involves first asking a preliminary question to direct respondents to one side of a spectrum (e.g., asking if they like or dislike an item) before providing them with more refined, specific choices on a rating scale.

Branching in Surveys

Which of the following best describes a bipolar scale?

A researcher designs a seven-point rating scale on which participants rate their anxiety from 'No anxiety at all' to 'Extreme anxiety.' This is an example of a bipolar scale.

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