When psychologists do not use samples that are representative of the population, they must
A. be very careful not to over-generalise their findings
B. destroy any data they have collected and begin the study again
C. request the subjects to behave in a manner consistent with the population
D. repeat the same study at least ten times to ensure accuracy
Answer: Option A
A. Basic research
B. Applied research
C. Nomothetic research
D. Idiographic research
A. nominal scales of measurement
B. representative samples of behaviour
C. maximum interobserver reliability
D. internally valid samples of behaviour
"Research is a systematic investigation to find answers to a problem". Who said these words?
A. Kerlinger
B. John W. Creswell
C. Burns
D. Earl Robert Bobbie
Which of the following is not a kind of independent variable?
A. Task variable
B. Environmental variable
C. Subject variable
D. Experimentel variable

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