Jonathan Wanted to Estimate the Internal Consistency of a Multiple

question 29

Multiple Choice

Jonathan wanted to estimate the internal consistency of a multiple choice test. Which one of the following would be most appropriate for him to use?

• A) Spearman Brown
• B) coefficient alpha
• C) Cohen's kappa
• D) KR-20

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Definitions:

Psychologists

Professionals who study mental processes and behavior, often conducting research, assessments, and therapy to understand and improve psychological well-being.

Psychological Disorders

Patterns of behavioral, cognitive, emotional, or physical symptoms that lead to distress, disability, or significant risk of harm, classified and described in diagnostic manuals such as the DSM and ICD.

Prevalence

The proportion of a particular population found to be affected by a specific condition at a given time.

Anxiety Disorders

A group of mental health conditions characterized by excessive fear, anxiety, or worry that interferes with daily life.