To predict a person’s occupation by their income, lawyers are coded as 0 and accountants as 1. If there are 100 cases and 40 are accountants, what is the mean of the variable?
A. 40
B. 0.4
C. 2.5
D. 25
Answer: B
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At a large corporation, you may be asked to attend a program on your first day to ensure you receive the same information as all other employees. This initial training is called the _____________________________.
a. rules and regulations program b. employee orientation program c. training program 101 d. beginner’s program
Travis's teacher is teaching his class about World War II. Travis is learning places, dates, and important events about the war. What type of memory is this?
A. Declarative memory B. Semantic memory C. Elaboration memory D. Episodic memory
How many children are reported to live in single-parent families?
A. More than one-quarter of all children B. More than one-third of all children C. 23,000 children D. 500,000 children
The most important consideration when selecting an achievement test for use as the dependent variable measure in classroom research is whether the test
a. has sufficiently high reliability. b. is easy to administer and score. c. has sufficiently high criterion-related validity. d. matches the content and objectives covered during the instructional period. e. is based on a thorough sample of teaching practices throughout the country.