A researcher asks students to record in a journal the emotions they experience every hour. She finds that over time, the descriptions become shorter and less detailed. What may be responsible for this change in performance?
A)Regression toward the mean
B)Cohort effect
C)Instrument decay
D)Selection bias

Question

Quizplus · Accepted Answer

Instrument decay refers to the gradual deterioration of the assessment tool or instrument over time. In this scenario, the journal may have become less engaging or the students may have become less diligent in recording their emotions, leading to shorter and less detailed descriptions.

A Researcher Asks Students to Record in a Journal the Emotions