A(n) _____ is any influence in the response of a participant that can cause variability in his or her response.
A. error
B. bias
C. fraud
D. variable
Answer: A
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Although no test is completely without bias, which of the following tests is designed to be equally valid regardless of the cultural background of the test-taker?
A. Wechsler Intelligence Scale for Children, Fourth Edition (WISC IV) B. Raven Progressive Matrices Test C. Stanford-Binet Intelligence Scales, Fifth Edition (SB5) D. Kaufman Assessment Battery for Children, Second Edition (KABC-II)
If a researcher wanted to study the effect of exposure time on memory for pictures, the researcher might operationally define the dependent variable as _____
a. exposure times of 1, 3, or 10 seconds c. giving everyone the same instructions b. score on a memory test d. either a or b
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a. at least 150 b. more than 300 c. thirty main d. approximately 1000 e. about 750
Based on Ainsworth's early research, what percentage of toddlers were securely attached?
a. 20% b. 33% c. 50% d. 66%