You are interested in measuring the construct, work expertise. Which of the following measures for this construct is quantitative and discrete?
A. the total time in hours spent working at a company
B. the job title a person holds in a company
C. the percent of correct responses on a work expertise survey
D. the number of employees who work under an employer
Ans: D
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Behavior problems, intellectual disability, and appetite loss may be symptoms of lead poisoning
a. True b. False Indicate whether the statement is true or false
Answer the following statement(s) true (T) or false (F)
. Random assignment is a method used to control for individual differences between groups.
When a hypothesis is confirmed in an empirical investigation, one concludes that
a. the hypothesized relationship has been proven to be true. b. the theory from which the hypothesis was derived has been proven to be true. c. it is probable that the hypothesized relationship is true. d. it is just as probable that the hypothesized relationship is false as it is true.
Which is not a listed source of topics and activities for long-range plan?
A. district syllabi B. teacher interest C. science department requirements D. state standards and assessments