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
The extent of acid rain in the United States has decreased.
Extent of agricultural activity across the planet (data from Foley et al. 2005).
A patient examination room should be simple and efficiently designed.
Commons Abbreviations for Weights and Measures
Variations in the extent of dendritic branching.
Connections and settings necessary to measure fuel-injector resistance.