Which major threat to internal validity is eliminated when a control group is added to an interrupted time-series design?

a) Statistical regression
b) History
c) Selection
d) Maturation


B

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Which would be beneficial for children during pretend play or dramatization activities?

A) detailed scripts where each child is assigned a role B) realistic props such as dress-up clothes or actual props that can be used by the characters C) a stage so that others can watch D) an audience to appreciate the children's performance

Education

Billy Ruby has recently graduated from college and will begin his first year as a teacher in

September. Experienced educators have correctly told him that teachers are most successful when they: a) take the first 2 weeks of the school year to establish the classroom community b) assume all students understand the rules on the first day of school c) begin with a stimulus-response approach to learning d) establish a teacher-centered classroom

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What is the random sampling distribution of the mean?

What will be an ideal response?

Education

Extended testing time is an example of:

a. response to Intervention. b. differentiated instruction. c. accommodation. d. modification.

Education