A regression threat to internal validity refers to the fact that:
A. data collectors can influence scores by their behavior.
B. groups selected at extremes will score closer to the average on retesting.
C. students often forget what they learned during an intervention.
D. a relationship is likely to be smaller when a study is replicated.
Answer: B
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New trends and concerns in the early childhood field include:
a. Decreasing numbers of infants and toddlers cared for in groups. b. Segregation of children with special needs. c. Early learning standards enacted by most states. d. Increased funding for early childhood programs
Attribution theory suggests that when many students with learning disabilities and related mild disabilities do attain
success in school, they attribute it to a. their own effort. b. working hard. c. just luck. d. effective studying. e. their own good study habits.
The First Amendment provides freedom of association for teachers; therefore, teachers may:
a. Associate with other individuals of their choice b. Join and participate in any organization of their choice c. Participate in a non-state sanctioned strike d. Participate in an anti-gay campaign
The difference between interval data and ratio data is that only ratio data ___________
a. can measure temperatures b. are non-numeric c. have a true zero d. have equal distances between the rankings