If a researcher dismisses a finding by saying "Oh, that's just Hawthorne," what problem is being referred to?
A) bias due to researchers' expectations
B) statistical contamination
C) dropping out before the study ends
D) awareness of being in a study
Ans : D
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Teachers realized that Jorge extended his arms because:
A) ?he wanted to stretch B) ?he was uncomfortable C) ?he wanted others to stay away D) ?he was excited
The most important characteristic affecting a child's performance on an intelligence test is the
A) ?examiner's clinical judgment B) ?degree of bias introduced by the examiner C) ?child's level of acculturation D) ?degree of frustration experienced by the child
Falbo’s research on only children documents that they
a. are lower than others on achievement motivation and self-esteem. b. are unique from other children. c. are not more likely to cause trouble or have special needs at school. d. all of the above
The long-term results of the Perry Preschool Project reveal that, compared to the control group of children who did not attend the school, the children who were
involved in the project and are now grown up: a. were arrested more frequently for criminal acts than the control group were. b. had more babies than people in the control group did. c. were on public assistance (welfare) more frequently than people in the control group were. d. supported themselves or were supported by their spouses more frequently than people in the control group were. _