A Researcher Is Interested in Whether Circadian Rhythms Influence Participants

question 65

Multiple Choice

A researcher is interested in whether circadian rhythms influence participants' performance on different kinds of memory tests.The researcher first classifies participants according to whether each is a morning person or an evening person.The researcher then randomly assigns participants to receive either an implicit memory test or an explicit memory test.The researcher then tests everyone at 8 a.m.How should the ANOVA used to analyze the data be labeled?

• A) 4 × 2 between-groups ANOVA
• B) 4 × 2 within-groups ANOVA
• C) 2 × 2 between-groups ANOVA
• D) 2 × 2 within-groups ANOVA

---

Definitions:

Social Anxiety Disorder

A chronic mental health condition in which social interactions cause irrational anxiety and fear.

Generalized Anxiety Disorder

A mental health disorder characterized by persistent and excessive worry about various aspects of life, often accompanied by physical symptoms such as restlessness or tension.

Obsessive-Compulsive Disorder

A mental disorder characterized by persistent, unwanted thoughts (obsessions) and repetitive, ritualistic behaviors (compulsions) that the individual feels compelled to perform.

Panic Attack

Sudden onset of intense panic in which multiple physical symptoms of stress occur, often with feelings that one is dying.