Bella Has Conducted a Laboratory Experiment Using a Nonrandom Sample

question 44

Multiple Choice

Bella has conducted a laboratory experiment using a nonrandom sample of mostly white college students as participants.She found that nonmothers are preferred over mothers in hiring decisions.What follow-up strategy would do little to increase external validity?

• A)replicate the study on a sample of older,more racially diverse adults
• B)conduct a field experiment
• C)conduct qualitive interviews
• D)replicate the study using less common names on the résumés

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The fifth edition of the Diagnostic and Statistical Manual of Mental Disorders, a comprehensive classification of officially recognized psychiatric disorders.

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Medications used to treat psychiatric conditions by altering brain chemistry, particularly effective in managing symptoms of psychosis such as delusions and hallucinations.