A researcher randomly assigns 80 participants to either a treatment group or a control group. The study is conducted in a laboratory setting. The ratings of internal validity on equivalence of participant characteristics and control of extraneous variables, would be:
A) Medium and medium
B) High and high
C) High and medium
D) Medium and high
Correct Answer:
Verified
Q9: Threats related to participant characteristics include:
A) Regression
Q10: Threats related to experiences and environment include:
A)
Q11: A researcher makes some attempts to equate
Q12: Two groups of students are tested, there
Q13: A researcher randomly assigns 30 participants each
Q15: The criteria for causality typically include:
A) The
Q16: With the associational approach, it is difficult
Q17: Extraneous and experiential variables are typically hard
Q18: Extraneous and experiential variables are typically well-controlled
Q19: When comparing two groups, historical events can
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