Randomization Plays a Significant Part in Experimental Research

question 6

Multiple Choice

Randomization plays a significant part in experimental research. Experiments potentially control for many threats to the _____ but researchers must remain aware of these threats. The central features of the classical experiment are independent and dependent variables, pretesting and post-testing, and experimental and control groups created through random assignment.

• A) reliability of causal inference
• B) validity of affirming inference
• C) validity of causal inference
• D) validity of experimental inference

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