If participants change over time in an experiment, which threat to internal validity is potentially operating?
A) Selection
B) Maturation
C) Instrumentation
D) Diffusion of treatments

Name: If participants change over time in an experiment, which threat to internal validity is potentially operating? A) Selection B) Maturation C) Instrumentation D) Diffusion of treatments
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Question

Quizplus · Accepted Answer

Maturation refers to the natural changes that occur in participants over time, which can affect the outcome of an experiment.

If Participants Change Over Time in an Experiment, Which Threat