A Researcher's Expectations About a Study Can Affect Its Outcome

question 55

Multiple Choice

A researcher's expectations about a study can affect its outcome. The type of research design used specifically to address this problem is a(n) :

• A) experiment.
• B) random-assignment design.
• C) matched control group design.
• D) masked design.

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Definitions:

Pearson Correlation

A measure of the linear correlation between two variables, giving a value between -1 and 1.

Linearity

The attribute of a relationship between two variables where the change in the outcome is directly proportional to the change in the predictor.

Predictability

The extent to which future states or conditions of a system can be forecasted based on existing data or patterns.

Level Of Significance

The predetermined threshold of probability at which a statistical result is considered significant.