If we calculated an effect size and found it was r = .42, which expression would best describe the size of effect?
A. Small
B. Small to medium
C. Large
D. Medium to large
Answer: D
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What is a limitation of using true-false items?
a. They measure only basic skills. b. Guessing can be corrected. c. Scoring is difficult. d. More than two alternatives are needed.
Refer to Exhibit 19-1. How would the statistical significance be interpreted?
a. Traditional and nontraditional students are drawn from the same population in terms of college aptitude. b. There are 5 chances in 100 that the two groups were drawn from different populations in terms of their college aptitude. c. There are 5 chances in 100 that the two groups were drawn from the same population in terms of their college aptitude. d. For every nontraditional student, there are 5 chances in 100 that she/he will score higher than a traditional student.
Which is NOT a consideration for a researcher at the "end" of the process of action research?
A. What are some new or additional questions that I now have about this topic? B. What are ways others can use this research? C. What might be some additional plans for improvement grounded in the new understandings from the research? D. What might be done to monitor any additional plans and explore the new questions revealed?
Condition length refers to the number of data points gathered during a condition.
Answer the following statement true (T) or false (F)