A method for assessing the overall reliability of a test by splitting it
into all possible halves is called the
a. point biserial
b. discrimination index (DI)
c. vix formula 44
d. Kuder-Richardson formula (KR21)
d
Psychology
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Potentiation occurs when two substances trigger a stronger response together than could either of them alone.
a. true b. false
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By age 3 or 4, children can walk up the stairs as adults do, one step at a time
a. True b. False Indicate whether the statement is true or false
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