Barrons AP Psychology 7th edition

(Marvins-Underground-K-12) #1

  1. (A) Charlotte and Tamar’s way of measuring friendliness is not reliable. Reliability refers to the
    consistency of a measure. Since they disagree so often, their measure is not consistent. In all
    likelihood, they need to operationalize their dependent variable more clearly. Reliability is
    sometimes confused with validity. Validity refers to the accuracy of a measure, which in this case
    is whether they are actually measuring friendliness.

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