Multiple Choice
Which of the following is a condition which must be satisfied to demonstrate a causal relationship:
A) treatment variable changes occur prior to changes in the dependent variable
B) the treatment and dependent variables are associated
C) only the treatment variable has influenced the dependent variable
D) all of the above
Correct Answer:
Verified
Correct Answer:
Verified
Q1: With respect to exposed/comparison group designs, mortality
Q2: A disadvantage of field experiments is their:<br>A)
Q3: A confounding variable is one which:<br>A) has
Q4: The Hawthorne effect refers to:<br>A) any variability
Q5: The rationale of the quasi-experimental design is:<br>A)
Q7: A very early systematic experiment was conducted
Q8: The strength of field experiments lies in
Q9: The goal of experimental research is to:<br>A)
Q10: Which of the following factors may confound
Q11: Random variables are dealt with by:<br>A) factoring