In order to determine the effects of a specific drug on the treatment of childhood asthma, randomized controlled trials are usually conducted. Which of the following statistical methods will provide the best conclusions for the trials conducted?
A. Patient survey
B. Meta-analysis
C. Observational study
D. Standardized t-test
Answer: B
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When considering outdoor space
A) verify that the space is safe for your age group. B) remember that as long as a climbing structure is less than 3 years old it is safe. C) make sure there aren't any hard surfaces anywhere. D) it is important to remove any balls or jump ropes as they could be tripping hazards. E) remember that if you leave room for children to run they will get injured.
A threat to internal validity in which participation in one group causes changes in performance in a second group is called ______.
A. sampling effects B. counterbalancing C. carryover effects D. constant change
Which of the following is not a model of family violence proposed by researchers?
A. Psychiatric B. cross-cultural C. sociological D. social-psychological E. ecological
A set of skills related to one area of the curriculum is referred to as
a) performance indicators b) tasks c) scope and sequence d) trials