3/12/2023 0 Comments 5 point likert scaleThe main advantage of Likert Scale questions is that they use a universal method of collecting data, which means it is easy to understand them. Respondents may: Avoid using extreme response categories (central tendency bias), especially out of a desire to avoid being perceived as having extremist views (an instance of social desirability bias). ![]() Likert scales may be subject to distortion from several causes. The problem with a Likert scale is that the scale produces ordinal data. The psychometric literature suggests that having more scale points is better but there is a diminishing return after around 11 points (Nunnally 1978). The short answer is that 7-point scales are a little better than 5-points-but not by much. Should we use a 5 or 7 point Likert scale what’s better and why? This phenomenon is called acquiescence bias. Respondents tend to agree to the statements showed. Is difficult to treat neutral opinions as “Neither agree or disagree”.
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