A researcher tested a group of students first time in second grade and the second time in the middle of the third grade. The second test indicated significant improvement, but after reviewing the test scores the researcher became concerned that he could not be sure whether the scores were a result of the treatment or a result of the students’ having gained more life experience in a year-and-a-half. What threat to internal validity is this researcher worried about?
a. Maturation
b. Testing
c. Differential selection
d. Instrumentation
Ans: a
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Using a(n) ____ program, messages can be created, sent, received, forwarded, stored, printed, and deleted
a. Telnet b. e-mail c. FTP d. newsreader
An example of acceleration is
a. early entrance to school or college. b. curriculum compacting. c. grade skipping. d. early entrance to school or college, curriculum compacting, and grade skipping.
Which of the following characteristics is shared by both objective tests and essay tests?
A. Both are efficient for measuring knowledge of specific facts. B. Both are useful in both formative and summative assessment C. Both provide for extensive sampling of content. D. The reliability of scoring is high for both.
The measurement of the presence of a suspected disability and the knowledge of the criteria that constitute each category is called:
a. Collection b. Analysis c. Evaluation d. Determination