Validity refers to the extent to which an instrument: a. ...

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Validity refers to the extent to which an instrument:
 
  a. Measures what it is designed to measure.
  b. Yields comparable results when administered by different people on separate
  occasions.
  c. Is easy to administer.
  d. Yields comparable results when administered by the same person on different
  occasions.
  e. Is approved for use in the United States.

Question 2

In the 1970's major efforts were undertaken to base knowledge of child and
  adolescent psychological disorders upon sound empirical research. Such efforts
  included:
 
  a. Establishing clear criteria to classify and diagnose disorders.
  b. Creating assessment tools to accurately measure emotional and behavior
  problems.
  c. Conducing large scale, longitudinal studies of children.
  d. a and b
  e. a, b, and c

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Answer to Question 1

A

Answer to Question 2

E