A professor compares final exam scores in his psychology class to final exam grades in another comparable professor’s class. Assuming that the population variance of exam scores is unknown, what type of t test is appropriate for analyzing differences between these classes?
A. one-sample t test
B. two-independent-sample t test
C. There is not enough information to answer this question.
Ans: B
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Painting at an easel is easier for young preschoolers than painting on a table
a. True b. False
A student got 700 on the SAT. Given that the mean of the SAT is 500 and the standard deviation is 100, what is this student’s Z-score?
a. +1 b. +2 c. 0 d. -1 e. -2
A school-wide positive behavior support program is
a. a multitiered approach to the provision of interventions and services at increasing levels of intensity for students with academic and behavior problems. b. a proactive, positive strategy designed to identify students with behavioral difficulties and provide early interventions. c. a proactive, positive strategy designed to promote acceptable behavioral expectations for all students within the school and establish a safe school environment in which learning can take place. d. is a three-tiered system for evaluating and identifying students who may need of special education services.
Cooperative learning can be used to
a. ?promote acceptance of students with disabilities. b. ?foster relationships among ethnic groups. c. ?increase student achievement. d. ?all of these.