Correlating the scores of 50 students on two tests, an investigator found that the sum of the z-score cross-products was 20 . The Pearson's product moment coefficient in this case is:
a. impossible to compute with the information given.
b. .02.
c. .20.
d. .40.
e. None of these are true.
D
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Which of the following is not true based on using the discrepancy score to identify children with specific learning disabilities?
A. The discrepancy requirement made it virtually impossible to identify young children as having a learning disability. B. The discrepancy model identified children from diverse cultural and ethnic groups at the same rate as white children. C. The discrepancy model required that children have repeated experiences with failure until the gap between IQ and achievement was large enough to meet the criteria for identification. D. IQ scores are not good predictors of a child’s ability to recognize words and do phonological decoding, the basic skills involved in reading.
Which of the following is a qualitative research problem?
a. Is there a relationship between size of high school and the percent of its graduates attending college? b. How does the self-esteem of high-achieving and low-achieving high school students compare? c. How do immigrant high school age students from war-torn countries adjust when enrolled in a white suburban U.S. high school? d. What is the relationship of specified non-cognitive variables to achievement and persistence of minority students in a large research university?
What is the primary factor that should be considered when selecting a toy for a particular child?
A. interests of the child B. attractiveness of the toy C. the child's chronological age D. the child's safety
Jordan is the newest hire at a local advertising agency. There is a strict dress code at this firm, which Jordan does not like and feels stifles creativity. But as the newest hire, Jordan desire to feel like part of the team is more important than her personal style, so she says nothing. Jordan is experiencing which of the obstacles mentioned in the text?
a. low involvement b. unclear goals c. lack of a challenge d. simple tasks