Gerard Is a Participant in a Research Study

question 177

Multiple Choice

Gerard is a participant in a research study. He is certain that he knows the intent of the study and acts accordingly. This is an example of a(n) __________

• A) participant effect.
• B) selection bias.
• C) experimenter bias.
• D) placebo effect.

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Definitions:

Mean

The central value of a dataset, calculated as the sum of all the numbers divided by the count of numbers in the dataset.

Variability

The extent to which data points in a statistical distribution or data set diverge from the average or mean, indicating the dispersion in the dataset.

Mean

The arithmetic average of a set of numbers, found by dividing the sum of all numbers in the set by the count of numbers.

Qualitative Variables

Variables that describe or categorize attributes or characteristics that are not numerical but can be observed qualitatively.