School officials may prohibit dress that signifies gangs in public schools
Indicate whether this statement is true or false.
True
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The amount of variability between scores resulting from uncontrolled variables and random variation is called ______.
Fill in the blank(s) with the appropriate word(s).
Lack of successful interaction with others limits learning opportunities
Indicate whether the statement is true or false
The Kuder-Richardson 21 formula for estimating the score reliability of a classroom achievement test has the disadvantage that
a. it is difficult to compute. b. it assumes that all test items are of equal difficulty. c. it is inappropriate for a power test. d. the resulting reliability coefficient must be adjusted by using another formula.
Boys are actively discouraged from cross-gender activities because boys are expected to stay that way as they grow up.
Answer the following statement true (T) or false (F)