DrBishop Is Studying the Effects of a Drug on Memory

question 127

Multiple Choice

Dr.Bishop is studying the effects of a drug on memory.Half of his participants will receive the drug,while the other half will receive a placebo.The pills the two groups of participants will take look exactly the same.Dr.Bishop hopes that the use of a placebo will ____.

• A) allow him to have control over the dependent variables
• B) show if memory improvement is based on participant expectations
• C) create a double-blind design for his research
• D) eliminate the chance of random variables confounding his experiment

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Definitions:

Evolutionary Psychology

A theoretical approach in the social and natural sciences that examines psychological structure from a modern evolutionary perspective.

Highly Correlated

Describes a strong statistical relationship between two variables, indicating that changes in one variable are reliably associated with changes in another.

Genetic Siblings

Siblings who share both biological parents and have a high degree of genetic similarity.

Fraternal Twins

Twins that develop from two different eggs fertilized by two different sperm, resulting in siblings that are genetically similar but not identical.