When the Experimenter Evaluates the Outcome of a Study Without

question 2

Multiple Choice

When the experimenter evaluates the outcome of a study without knowing which participants were in the experimental and control groups and the participants are also unaware, then the experiment is said to be

• A)retrospective
• B)archival
• C)retroblind
• D)archivally blind
• E)double blind

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Definitions:

Asynchronous Communication

Communication that does not require participants to be concurrently engaged, allowing responses at individual convenience.

Best-fitting Regression Line

A line through a scatter plot of data points that best expresses the relationship between those points, typically found using least squares regression.

Slope

The slope is a measure of the steepness or incline of a line, defined as the ratio of the change in the y-value over the change in the x-value between two points on the line.

Regression

A statistical method used to model the relationship between a dependent (target) variable and one or more independent (predictor) variables.