Multiple Choice
Loss of subjects in a given experiment constitutes a probable threat to the internal validity of the study if:
A) those lost are representative of their original groups
B) a greater number are lost from one group than from the other(s)
C) losses are not randomly replaced
D) statistical adjustments are not made
Correct Answer:
Verified
Correct Answer:
Verified
Q2: Random assignment is intended to eliminate the
Q3: An important difference between experimental and nonexperimental
Q4: Matching<br>-Time-series design group<br>A) Weak experimental design<br>B) Pretest
Q5: Which of the following can be present
Q6: A researcher would be likely to use
Q7: The main cost associated with holding certain
Q8: The randomized pretest-posttest control group design requires
Q9: The primary defect of the one-shot case
Q10: The randomized posttest-only control group design is
Q11: Factorial designs extend the number of relationships