A researcher selects a sample of 49 participants from a population with a mean of 12 and a standard deviation of 3.5. What is the probability of selecting a sample mean that is at least equal to the population mean?
A. .50
B. equal to the probability of selecting a sample mean that is at most equal to the population mean
C. .50 and equal to the probability of selecting a sample mean that is at most equal to the population mean
D. none of these
Ans: C
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Little Sally kicks another child in class. As a result, her teacher takes Sally's recess away for that day. What type of punishment is her teacher employing?
a. contingent withdrawal of a positive reinforcer b. contingent application of an aversive stimulus c. tertiary punishment d. response-maintenance punishment
What description below denotes grading?
a) Compare students' performance with established criteria. b) Summarizing student performance with scores and data. c) A scale based on predetermined criteria. d) Systematic plan for gathering student learning.
Which specific intervention would not be appropriate for a child who has a visual impairment?
a. Orient the child to classroom layout and materials location b. Facilitate auditory localization, reaching for sound, and auditory discrimination skills c. Encourage children to identify themselves when they approach the child d. Avoid speaking with your back to the child or with a bright light behind you
Of the Holland Career Typology, people of the Conventional Type are characterized by:
a. Liking to work with machines, plants, animals and tools b. Liking regulations and working with things that are concrete c. Liking unstructured environments and independence d. Liking to help others and working in groups e. Liking concepts or theories