The method for estimating test reliability that best accounts for all the possible sources of error is
a. administer different forms of the test at a single sitting.
b. administer the same form of the test on two different occasions.
c. administer different forms of the test to different subjects.
d. administer different forms of the test on two different occasions.
D
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In the base-ten number system, what does zero represent?
a. A quantity or empty set b. A notch on a stick c. A help with mixed numbers d. A unit of 10
Your behavior in an interview gives your prospective employer clues to how you will treat clients
and customers.
A school district decided to look at the effects of a new teaching method. They had one teacher teach in a "traditional" manner, while another taught using a "new" approach. Which research method would involve comparing student test results of each group to determine which method was more effective?
a) Descriptive research. b) Experimental research. c) Historical research. d) Informative research. e) Qualitative research.
Which of the following parents best demonstrates that she/he is assisting her/his child in studying and preparing for science?
A) Mrs. Lopez tells her daughter that she was never any good at mathematics so it's okay if her daughter isn't either. B) Mr. Johanson sits with his son each evening thoroughly explaining each science concept and expecting his son to give detailed descriptions of each concept once the father finishes his lecture. C) Ms. Witmer asks her son if he's having any difficulty with his science or mathematics and then asks how she can help with the problem. Together they try to resolve the difficulty the son is having. D) Mr. Clay has no idea when and if his daughter has mathematics or science homework. Most nights he lets her go out to play right after school and watch television in the evening. Little or no homework is ever completed. E) Ms. Ames expects her children to sit for two hours each evening to do homework. Even if they have no assignments she makes them read something for two hours. They are discouraged from talking to one another during this time and are expected to have all work completed by the end of the two hours.