Sampling errors

a. are the result of errors in measuring research variables.
b. occur in nonrandom sampling, but not in random sampling.
c. are the difference between a sample statistic and the corresponding population parameter.
d. are the difference between statistics for different subgroups within a sample.


c

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Discuss how some children experience "food jags."

What will be an ideal response?

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What should you do first before attempting to change a student's behavior?

A. Identify contextual elements that could be contributing to the problem. B. Contact the student's parents about the behavior. C. Ask the student if she is ready to change the behavior in question. D. Determine whether positive reinforcement or negative reinforcement would be more successful.

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School districts are more likely to retain new teachers if they have effective

A) induction programs. B) National Board certification policies. C) merit pay scales. D) summer teaching jobs available.

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For rewards to be most effective, they should be given to children immediately after the occurrence of desired behavior

Indicate whether the statement is true or false

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