Ralph has just taken two achievement tests. He scored at the 90th percentile on the Ohio Reading Test (ORT). He scored at the 50th percentile on the California Mathematics Inventory (CMI). Can we conclude that Ralph has higher achievement in reading than in mathematics?
a. Yes, because a percentile score of 90 is well above average, whereas a percentile score of 50 is only average.
b. Yes, provided that both tests have been shown to have content validity for the curriculum at Ralph's school.
c. No, because the two percentile scores are both essentially "average" scores.
d. No, because the norm groups for the two tests are probably different.
d
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To avoid perpetuating ethnic and racial stereotypes, teachers should not use the words ___________ when describing their students and the students' families.
a. all and none b. some and most c. many and few d. all of the above
Which of the following are ways to organize the environment to facilitate positive guidance :
A. Divide the space to create smaller areas B. Prepare materials for activities in advance C. Help children help themselves D. All of the above
Writing a poem is an example of which societal commonality?
A. Basic needs B. Art forms C. Social organization D. Group rules
Error is also known as?
A. Common variance B. Unique variance C. Random variance D. None of the above