Multiple Choice
A school social worker administered a self-esteem test to a group of 9th graders in September. During the school year the students received intensive social work intervention designed to improve their self-esteem. In May the self-esteem test was given again and the self-esteem scores improved. Which of the following statements is true about this study?
A) It s results show that the intervention was effective in improving self esteem.
B) It only controls for testing effects and statistical regression.
C) It only controls for history and maturation.
D) It does not permit any conclusive causal inferences to be made.
Correct Answer:
Verified
Correct Answer:
Verified
Q4: The 55-mph speed limit was introduced in
Q5: A friend of yours, a senior, took
Q5: The problem of external validity refers to
Q6: Random assignment to experimental and control groups
Q7: A study evaluates the effectiveness of a
Q8: Pre-experimental designs<br>A) are insufficient for drawing causal
Q10: Explain the elements of the classical experimental
Q11: The problem of an interaction between the
Q12: An instrumentation effect occurs when:<br>A) the instrument
Q13: If we can establish that variable X