In contrast to time series designs, multiple baseline designs
a. involve observation of two or more target behaviors during the baseline condition.
b. do not reinstate initial baseline conditions following treatment.
c. use a control group to compare the effectiveness of the treatment.
d. All of these are true.
e. a and b
E
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Piaget’s theory suggests that the average child is capable of abstract thinking by age
a. 2 years. b. 8 years. c. 12 years. d. 15 years. e. 18 years.
Mixed-methods research that has more than one phase usually employs which type of sampling method?
a. stratified random b. purposive c. probability d. systematic
Action science is a systematic approach for
a. examining differences between professionals' beliefs and their actual behavior. b. developing practical theories that can guide action research. c. conducting action research studies in a scientifically rigorous manner. d. All of the above.
Factors that influence the number of teachers needed annually include all of the following EXCEPT
A) the number of students in schools. B) the ratio of teachers to students. C) immigration and migration from district to district. D) salary and benefits scales.