How were the degrees of freedom calculated?
A researcher is examining the link between pet ownership (three categories: no pet, dog, cat) and depression (two categories: Yes, No). In the Results section of her publication, you read the information: ?2(2, N = 800) = 6.72, p < .05.
Ans: The degrees of freedom for the three categories of pet ownership was calculated 3-1=2. The degrees of freedom for the two categories of depression was calculated 2-1=1. We take 2x1=2.
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In the elementary grades, gender differences in motor skill performance
a. are no longer apparent because children are more androgynous than they were in the 1950s. b. should be acknowledged and reinforced because they allow young children to form more stable self-concepts. c. have been magnified in recent years because girls are encouraged to participate in competitive sports. d. are small in magnitude and may reflect gender-role stereotyping.
Describe the five main characteristics of direct instruction
What will be an ideal response?
According to neuroscientist Adele Diamond, kindergarten-aged children need:
a. at least 30 to 40 minutes of academic training each day. b. to be in a child-centered program where most of the curriculum choices are made by the children. c. to be in an academic program where most of the curriculum choices are made by the teachers. d. at least 30 to 40 minutes of play each day.
The IQ compares what two variables?
a. test performance of individual with standard performance b. early test performance with later test performance c. test performance of group with standard performance d. intelligence with ethnicity