The main internal validity problem of the static-group comparison design is
a. observed posttest differences may be due to preexperimental differences between the groups rather than to the experimental treatment.
b. the interaction between the experimental and control treatments.
c. the pretest may sensitize subjects to the experimental treatment.
d. the matching procedure may result in the loss of too many subjects and thus introduce bias.
A
You might also like to view...
The purpose of vocabulary instruction should help students do all of the following except:
a. comprehend content material b. become more fluent in content reading c. discuss content information effectively d. identify complex sentence structures
When conducting correlational research, the following principle must be kept in mind when evaluating results:
a. Causation does not equal correlation. b. Correlation does not equal causation. c. Correlation and causation often occur in a cyclical way. d. There is no relationship between correlation and causation.
What degree did Hardis earn from Princeton University?
Go to the Biography Resource Center database. Click Biographical Facts Search under Other Searches. When the search form page opens, click on View Occupation Terms, click on M, and choose Manufacturing executive which appears in the Occupation List. From the Nationality search box, choose American. From the Gender search box, choose Male. In the Birth Place search box type New York, New York. Click on SEARCH. Click on Stephen Roger Hardis. Read the articles and then answer the questions. What will be an ideal response?
The Department of Transportation and the U.S. Army are examples of federal agencies.
Answer the following statement true (T) or false (F)