A statistician for a state lottery wants to test the randomness of a new machine that produces random numbers between 0 and 9. He has the machine generate 10,000 numbers and counts the frequency of each number. To determine whether or not one or more numbers are significantly over- or underrepresented, the statistician should use ______.
a. Spearman correlation
b. chi-square goodness-of-fit test
c. chi-square test for independence
d. Mann-Whitney U test
Ans: B
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In the chapter on geographical areas, you are encouraged to:
a) let your occupation determine where you will live. b) get information about a community before you move there. c) stay where you are now because moving costs have become so high. d) move quickly to another area if you become unemployed.
A teacher will encourage "divergent thinking" in a child if he or she is asked "What do you think will happen to the water in the cup if the cup tips over?"
a. True b. False Indicate whether the statement is true or false
A child in a constructivist-learning environment
A) Learns concepts and facts as presented by the teacher or teacher aide B) Creates learning from adult-led interactions only. C) Encourages the child to make meaning from the personal experience D) Ignores social, emotional, and cultural differences in learners.
____ is the inability to realize that something known to have a particular use also may be used to perform other functions
a. Functional inhibition b. Divergent thinking c. Introceptive thinking d. Functional fixedness