A group of researchers conduct a study where children from particular classrooms are assigned to treatment or control conditions. After the study, the researcher finds out that the students in the control group are higher achievers than those in the experimental group. He found no treatment effect. The failure to find a treatment effect might be due to:
a. A treatment effect
b. A testing effect
c. A differential selection effect
d. A maturation effect
Ans: c
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A “shot gun blast” of points on a scatter plot reflects a correlation of about:
A) 1 B) .5 C) 0 D) 1.5
Which of the following is a type of science fiction that involves alternative history and technology:
a. antiutopia b. dystopia c. high fantasy d. steampunk
An area of critical importance with struggling readers is to
A. find what they are interested in and what purpose they see in learning literacy skills. B. have them read newspapers, magazines and short articles. C. assign them texts that you think they would enjoy reading. D. go to the library with them and assist them in selecting appropriate texts.
This example illustrates which of the following concepts: “A university offers an alternative program for students who are at risk of academic probation, and it has been shown to have positive results.”
A. worth B. merit C. utility D. propriety