In reading a table of random numbers, the researcher begins:
A. with any number.
B. with the first row.
C. with the top of any column.
D. with the top of the first column.
Answer: A
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In the following items, select the experimental design that best fits the descriptive statement. Failure to control history and maturation is a definite weakness
a. One-group, pretest-posttest design b. Randomized subjects, posttest only, control-group design c. Randomized subjects, pretest-posttest design control-group d. Randomized Solomon four-group design e. Counterbalanced design
Primary sources are valued more than secondary sources because
a) Secondary sources describe the observations of individuals who did not actually observe the event b) Secondary sources describe the observations of individuals who speak from hearsay evidence c) Primary sources describe the observations of individuals who were eyewitnesses to an event d) Primary sources describe documents that are more trustworthy than observations
Describe two key ways that teachers can work with families to extend children's historical understanding
What will be an ideal response?
Which of the following statements best reflects statistical power?
A. The ability of a statistical test to detect a difference when one genuinely exists. B. The ability of a statistical test to yield appropriate participant numbers. C. The ability of a statistical test to successfully identify the confidence intervals of a sample mean. D. The ability of a statistical test to apply a meaningful effect.