Think of a Research Experiment Designed to Test Which Diet

question 76

Multiple Choice

Think of a research experiment designed to test which diet is best at helping people lose weight-Atkins, Jenny Craig, or Weight Watchers.The results could show that the average weight lost on Atkins was 6 pounds per week and on Jenny Craig and Weight Watchers was 2 pounds per week.It is important to ask yourself if participants are dropping out of a study in a manner that might influence the results to determine if __________ is a threat to internal validity.

• A)testing
• B)diffusion of treatment
• C)instrumentation
• D)attrition

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Definitions:

Respondent Behavior

Respondent behavior refers to involuntary responses to certain stimuli, typically conditioned reflexes acquired through classical conditioning.

Spontaneous Recovery

The revival of a conditioned response, previously vanished, subsequent to a lapse in the presentation of the conditioned stimulus.

Operant Chamber

An experimental apparatus used in the study of animal behavior, allowing researchers to measure responses to controlled stimuli.

Fixed-ratio Schedule

A fixed-ratio schedule is a type of operant conditioning reinforcement schedule where a response is reinforced only after a specified number of responses, leading to a high, steady rate of responding.