Explain why an interaction can be statistically significant when both main effects are not statistically significant.
What will be an ideal response?
Ans: Two factors can produce an effect on a dependent variable that neither factor produces by itself.
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Teachers should keep in mind that young learners (such as 5- and 6-year-olds)
a. may have trouble understanding terms used to talk about language. b. do not always know where printed words begin and end. c. have trouble describing verbally actions they perform. d. All of these
According to critics, which of the following are weaknesses of high-stakes testing?
1 . The tests don't reflect the curriculum being taught. 2 . Teachers spend too much class time having students practice for the tests. 3 . The tests have a disproportionately adverse effect on minority students. 4 . The tests measure only knowledge of factual information. a. 1, 2, 3, 4 b. 1, 2, 3 c. 1, 2, 4 d. 3, 4
Depression in preadolescent children is ______, the childhood incidence is ______ for boys than girls, and in adolescence the gender difference ______.
a. fairly common; less; continues to increase b. relatively rare; greater; reverses c. very common; greater; continues to increase d. relatively rare; less; widens further
Which of the following is not true of advance organizers?
a. They can promote priming or relevant information. b. They are susceptible to proactive interference. c. They can encourage schema activation. d. They are a way to "tell them what you're going to tell them."