Choose the best description of the student population of U.S. classrooms 30–40 years ago.
a. The population was heterogeneous.
b. The population was single-gendered.
c. The population was fairly homogeneous.
d. The population was much younger than today.
Ans: c
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A researcher calculates a value of .15 for a Pearson correlation. You would BEST describe this relationship as ______.
a. weak positive b. weak negative c. strong positive d. strong negative
The four primary types of child maltreatment are:
A) Spanking, ignoring, domestic violence, and sexual abuse. B) Domestic violence, sexual abuse, emotional abuse, and shaken baby syndrome. C) Physical abuse, neglect, sexual abuse, and emotional abuse D) Physical abuse, battered child syndrome, sexual abuse, and domestic violence.
A seventh-grade history teacher has a class of very low struggling readers. To help them better understand and comprehend the readings, he has taught them to use the SQ3R strategy. He knows he must adapt the strategy to work for struggling readers, but he is finding that the students still are not passing the tests. This is most likely because:
a. the assigned readings are too long (10–12 pages) for the strategy to be successful. b. he has had too many discussions about the material and not enough review time. c. he has broken the readings into too many chunks with questions between readings. d. All of the above.
For the set of data, the median is ______ and the mean is ______. 5, 3, 9, 2, 4
a. 4.00; 23.00 b. 4.60; 4.00 c. 9.00; 4.00 d. 4.00; 4.60