Suppose a study is done in which the experimental and control groups both get pretests and posttests. Which of the following is the best statistical procedure?
a. Conduct a paired-samples t-test separately for each group to see whether the experimental group's improvement is more statistically significant than the control group's improvement
b. Conduct an independent-samples t-test that compares the posttest means only.
c. Conduct an independent-samples t-test that compares the changes scores in the two groups.
d. All of these are equally acceptable.
C
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A practitioner wants to choose an evidence-based measure that produces the same results consistently. For stability and replicability, the practitioner would be interested in the assessment's:
a. validity. b. reliability. c. standard deviation. d. central tendency.
Finally in 1974, after 100 years since Mary Ellen was rescued from her abusive home, the Child Abuse Prevention and Treatment Act was passed to mandate ____________ and to provide funds for research and training.
a. training of clergy on child development b. reporting of excessive child labor c. training of legal professions on child maltreatment d. reporting of child maltreatment
List the basic terms in the ecosystems theory that are derived from social systems theories.
What will be an ideal response?
In explanatory research, a theory is an attempt to______.
A. confirm B. justify C. characterize D. explain