Truly random events occur in unexpected groups, a fair coin may turn up heads five times in a row; a 100-year flood may hit a town twice in 10 years. This imperfect probability is called

A) Distribution of randomness.
B) Probability inequality.
C) Sampling size error.
D) Measure of chance.


A) Distribution of randomness.

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In Vygotsky's theory, three of the following would be considered lower mental functions. Which one would be considered a higher mental function?

a. Learning to walk b. Adding 3 and 3 to get 6 c. Identifying appropriate foods to eat d. Finding one's way around the neighborhood

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The greater number of communicative acts that a baby utilizes is a good predictor for later language ability

Indicate whether the statement is true or false

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Which best describes the difference between prejudice and discrimination?

a. Prejudice describes the way a person behaves, and discrimination describes the way a person thinks. b. Discrimination describes negative beliefs about a group, while prejudice describes any irrational beliefs about a group, whether negative or positive. c. Prejudice describes a belief, and discrimination describes differential treatment of people based upon this belief. d. These terms can be used interchangeably because there is no difference between these terms.

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A pregnant teacher exposed to _______________ should report it immediately to his or her doctor

a. scabies b. giardia c. cytomegalovirus d. shigella

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