What is the mean for the following set of scores: 20, 24, 26, 22, 18, 16, 18?

a. 18
b. 24
c. 20.57
d. 14.57


Ans: c

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Which of the four theories of cognitive development argues that brain functioning is an important part of cognition, but the brain does not possess an inherent knowledge of the world?

A. Piaget's theory of cognitive development B. Vygotsky's theory of cognitive development C. theory of core knowledge D. information processing theory of cognitive development

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"If you do not engage in disruptive behavior such as walking around the room, I will give you a sticker." This is an example of:

a. social rewards b. token economy c. the overjustification effect d. the hidden cost of reward

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Lance is studying self-esteem of low achieving children. He needs to include an operational definition of self-esteem. In what section would this information be included in his research plan?

a. Research procedures b. Instruments c. Method d. Statement of the hypothesis

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Some of the services of state Vocational Rehabilitation programs include:

A) Vocational counseling, guidance, and referral services B) Physical and mental restoration services C) Housing supports and services D) Both A and B

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