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Topic starter
Theoretically, random assignment should eliminate
(A) sampling error.
(B) the need to use statistics.
(C) concerns over validity.
(D) many confounding variables.
(E) the need for a representative sample.
Spoiler
Answer
(D) many confounding variables.
Spoiler
Explanation
Random assignment should eliminate subject-relevant confounding variables (e.g.,
conscientiousness, IQ, hair color). Since it would be impossible to match participants on every possible dimension, many psychologists use random assignment. By taking advantage of the laws of probability, random assignment makes it likely that participants in the different conditions of an experiment will be equivalent. Random assignment does not relate to sampling or validity and has no impact on the need for statistics.
conscientiousness, IQ, hair color). Since it would be impossible to match participants on every possible dimension, many psychologists use random assignment. By taking advantage of the laws of probability, random assignment makes it likely that participants in the different conditions of an experiment will be equivalent. Random assignment does not relate to sampling or validity and has no impact on the need for statistics.
Posted : 08/01/2024 3:38 pm