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In an Investigation of the Effects of Caffeine on Concentration

question 34

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In an investigation of the effects of caffeine on concentration, half the participants were given regular colas that contained caffeine and half were given decaffeinated colas. In this study, the decaffeinated colas are being used as ​


Definitions:

Independent Groups Design

An experimental approach where different participants are used in each condition of the experiment.

Factorial Design

An experimental setup that involves two or more independent variables and their joint effects on the dependent variable.

Participants

Individuals who take part in a study, experiment, or any form of research.

Factorial

Relates to an experimental design that involves two or more independent variables and analyzes their combined effects.

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