An Experiment Was Carried Out in Which Participants Learned Words

question 20

Multiple Choice

An experiment was carried out in which participants learned words in several conditions: no learning strategy, a verbal learning strategy, visual one and a verbal-visual one. What safeguard could the researchers put in place to overcome the difficulties with repeated measures?

• A) Counterbalancing
• B) Something to keep the participants awake
• C) Measure an appropriate covariate
• D) Before and after measurements

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Definitions:

Variance Inflation Factor

A metric that quantifies the severity of multicollinearity in regression analysis.

Correlation Matrix

A table showing the correlation coefficients between variables, indicating the level and direction of the relationship between them.

Multiple Regression Model

A statistical technique that uses several explanatory variables to predict the outcome of a response variable.

Insignificant Variables

Variables in a statistical model that do not significantly influence the outcome of the model.