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Author Question: Randomization in an experimental design assures a. external validity of the findings. b. the ... (Read 102 times)

corkyiscool3328

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on: Jun 20, 2018
Randomization in an experimental design assures
 
  a. external validity of the findings.
  b. the relevance of the hypothesis in question.
  c. accurate observation of the dependent variable.
  d. statistical equivalence of groups.
  e. lack of pretest sensitivity.

Question 2

The fact that young children's articulation problems often disappear by themselves over time indicates why researchers must use ____in order to have internal validity.
 
  a. control groups
  b. informed consent
  c. objective measurement
  d. pre- and postmeasures
  e. statistical analysis


CourtneyCNorton

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Reply #1 on: Jun 20, 2018
Answer to Question 1

D

Answer to Question 2

A


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