A pumpkin floats in water but a grape sinks in water because:?

A. ?a pumpkin weighs less.
B. ?a grape weighs more.
C. ?a pumpkin is less dense.
D. ?a grape is smaller.


Answer: C

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Basic development is very slow during twelve to eighteen months

a. True b. False

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Of the following four statements, one is not a guideline to be followed when constructing multiple-choice items. Which statement is it?

A. Randomly assign correct answers to the available answer-choice positions. B. To keep stems brief, place most words in an item's alternatives. C. Don't let the length of alternatives suggest correct or incorrect answers. D. Never use "all of the above" as a response option.

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Which of the following increases self-motivation?

A. providing students with weekly grade reports B. de-emphasizing grades, but allowing students to monitor their own progress C. developing a point system for class rewards D. providing negative feedback when students do not accomplish learning goals

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What is the focus of operant conditioning?

a) Animal learning rather than human learning b) Reflexive types of responses c) Treating learning as associating stimuli, rather than acting on one's surroundings. d) The relationship between a behavior and its consequence

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