Correct Answer:
A. Selection differences between groups
Quasi-experimental designs lack random assignment, so pre-existing group differences threaten internal validity.
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Related MCQs
Jenny has brown hair and blue eyes and is 5’8” tall. What is being described is Jenny’s:
A.
Genotype
B.
Phenotype
C.
Somatotype
D.
Physiognomy
Correct answer is:
B. Phenotype
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The Open University was established under the policy?
A.
1972
B.
1985
C.
1964
D.
1932
Correct answer is:
A. 1972
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What is the primary purpose of a classroom seating chart?
A.
To separate students who are friends.
B.
To help the teacher learn names quickly and manage the classroom environment.
C.
To punish students by placing them at the front.
D.
To ensure students of similar abilities sit together.
Correct answer is:
B. To help the teacher learn names quickly and manage the classroom environment.
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Which method is least dependent on direct teacher explanation?
A.
Lecture
B.
Expository teaching
C.
Discovery learning
D.
Direct instruction
Correct answer is:
C. Discovery learning
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When hypothesis states no significant difference between the variables, it is in
A.
Null Form
B.
Declaration Form
C.
Question Form
D.
Prediction Form
Correct answer is:
A. Null Form
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