A. Reliability and validity are concepts that commonly confuse students – define these two concepts with simple words that help your group remember how to tell these concepts apart.
B. Can a measure be reliable but not valid? Give an example.
C. Can a measure be valid but not reliable? Give an example.
D. The major threats to internal validity are listed in Box 8.1 and Table 8.2 on pages 169-170 of your text (PDF attached). Prioritize them, and then defend the one you have selected as the number one threat to address.
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