An Investigator Conducts an Experiment Involving the Effects of Three

question 129

Multiple Choice

An investigator conducts an experiment involving the effects of three levels of a drug on memory. Subjects are randomly assigned to one of three conditions. A different drug level is administered in each condition. Memory is measured 10 minutes after each subject receives the drug. The following scores are recorded. The higher the score, the better the memory. Estimate the size of the effect. ² = __________.

• A) 0.6524
• B) 0.6176
• C) 0.6318
• D) 0.6034

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Definitions:

Self-actualization Needs

The highest level in Maslow's hierarchy of needs, referring to the realization of one's potential, self-fulfillment, and seeking personal growth.

Prestige

This refers to the high regard or status that someone or something is held in by others, often due to accomplishments, quality, or influence.

Progression Principle

A principle in physical training that suggests for improvement, the amount of exercise should increase gradually over time.

Hawthorne Effect

The phenomenon where individuals modify an aspect of their behavior in response to their awareness of being observed.