Dr Taylor Is Conducting a Study to Test the Effect

question 117

Multiple Choice

Dr. Taylor is conducting a study to test the effect of a new drug on people's ability to concentrate at work. His research sample consists of 100 US adults. During a 14-week period, half of the sample is administered the drug and the other half is administered a placebo, and participants' concentration abilities are continually tracked. In the context of this study, if Dr. Taylor uses random assignment, it means that ____.

• A) his study will be high in external validity
• B) the 100 adults in his study are likely to be representative of the larger population of interest
• C) each research participant has an equal chance of being assigned to each level of the independent variable (e.g., the placebo group or the drug group)
• D) his research findings are likely to be statistically significant

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Definitions:

Theories

Systematically organized principles or explanations about a phenomenon or a set of phenomena that guide analysis, predictions, and interventions.

Behavior Approach

A perspective in psychology focusing on observable behaviors as the main source of psychological study and intervention, rather than internal mental states.

Trait Approach

A perspective in leadership research that focuses on identifying specific qualities, characteristics, and attributes that distinguish effective leaders from others.

Researchers

Individuals who systematically investigate and study materials, sources, or phenomena using scientific methods to establish facts and reach new conclusions.