In using time sampling to gain a representative sample of behavior, the intervals in which the observations are to be made should be selected
A. economically.
B. only randomly.
C. only systematically.
D. either randomly or systematically, or both.
D. either randomly or systematically, or both.
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Coo sounds are composed of a single consonant sound
a. True b. False Indicate whether the statement is true or false
The hierarchy used to overcome phobias with systematic desensitization is based on the principle of
a. modeling. c. self-monitoring. b. token economy. d. successive approximations.
Masculine sex hormones are called ________
a. androgens b. endorphins c. estrogens d. testosterone
Miguel came to the United States from Puerto Rico. He speaks very little English, but is in a special class that teaches him in both English and Spanish. Miguel is in a ________ education program
Fill in the blanks with correct word