Jaime is using a thinking strategy to compute the sum of 8 + 7. He thinks, "8 + 8 = 16, so I can figure out this problem." He arrives at the answer 17. He is most likely making an error in which of the following strategies?
a. one more or one less than a known fact
b. counting back
c. counting on
d. compensation
a
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Recent longitudinal research that has followed children who attended Head Start programs has found that
A. the effects of participation dissipate after the children leave the program, and after 5 years they look no different from children who did not participate. B. most of the effects of participation dissipate after a few years, but the Head Start students continue to have better reading skills. C. former Head Start students have more behavioral problems in school and as adolescents they were more likely to be involved in criminal behavior. D. former Head Start students had higher academic achievement, fewer grade retentions and were more likely to graduate from high school.
Which of the following is a disadvantage of percentile ranks?
A. they are difficult to prepare B. they are difficult to interpret C. they depend on the number of items in the test D. they have unequal units
The group whose members earn annual incomes that allow them to have a standard of living that includes owing a home and car is
a. Working class. b. Middle class. c. Upper middle class. d. Upper class.
The instrument most appropriate to collect attitude data from the 4,000 freshman students who come to campus for orientation
a. personal interview c. mailed or electronic questionnaire b. telephone interview d. directly administered questionnaire