A Professor Computes the Mean Difference in Exam Scores Before

question 55

Multiple Choice

A professor computes the mean difference in exam scores before and after a lecture as 9.0±14.5 ( ) ,and this difference was significant.What is the effect size for this result using estimated Cohen's d?

• A)d = 0.62 (medium effect)
• B)d = 1.61 (medium effect)
• C)d = 0.62 (large effect)
• D)d = 1.61 (large effect)

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Definitions:

Interaction

The process by which entities (individuals, groups, or elements) act upon and influence each other, typically studied within social, psychological, or biological contexts.

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Consciousness raising involves activities or discussions aimed at increasing awareness of personal issues or societal problems, often used within feminist and social justice movements.

Social Liberation

A process of gaining greater autonomy and rights in a social context, often associated with marginalized or oppressed groups seeking equality.

Therapeutic Process

The sequence of interventions, interactions, and stages that occur within a therapeutic relationship aimed at achieving the treatment goals set by the therapist and client.