What is the range of the following set of data: 10, 20, 40, 50, 70, 100, 110?
a. 90
b. 80
c. 10
d. 100
Ans: d
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Counterbalanced designs
a. give the same treatments to all subjects. b. may involve many groups and treatments. c. rotate intact groups. d. a and c e. All of these are true.
How does one know when a study is complete?
What will be an ideal response?
A test item is considered to have this if it is answered incorrectly a disproportionate number of times by one group compared to another
A. Item bias B. Discriminatory features C. Reliability D. Validity
Select the incorrect statement below
A) Service agencies provide learning opportunities for children. B) Social networks affect children's learning in a community. C) Some community learning is planned by community organizations. D) Children always take advantage of the learning opportunities offered by their community.