Multiple Choice
A Type II error is committed when:
A) results obtained with one set of measures do not generalize to outcomes that would be assessed by a different set of measures.
B) one incorrectly fails to reject the null hypothesis when in reality it should be rejected.
C) a researcher incorrectly concludes that a true relationship exists between the variables in a study.
D) a statistically significant result containing a sampling error is accepted.
Correct Answer:

Verified
Correct Answer:
Verified
Q2: The internal validity of a study refers
Q3: Regression toward the mean can occur when:<br>A)
Q4: Range restriction is one of the threats
Q5: Statistical power is 1 minus the Type
Q6: Instrumentation refers to changes in the measuring
Q7: In a research study, the degree to
Q8: The threat of compensatory equalization of treatments
Q9: The construct validity of a study is
Q10: Statistical conclusion validity refers to:<br>A) the degree
Q11: In a true experimental design:<br>A) every threat