What is the relationship between the size of a sample and the width of the confidence interval for the mean?
a. The smaller the sample size, the narrower the confidence interval for the mean.
b. The larger the sample size, the narrower the confidence interval for the mean.
c. The larger the sample size, the wider the confidence interval for the mean.
d. The size of the sample has no influence on the width of the confidence interval for the mean.
b. The larger the sample size, the narrower the confidence interval for the mean.
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Lowered expectations frequently reinforce themselves and children will often internalize what the teacher believes
Indicate whether the statement is true or false.
Good grades are reinforcing to some students, but not to others. Someone explaining this fact from a behaviorist perspective would say that good grades are most likely to be reinforcers to students who:
a. have never received a grade above C. b. come from middle-socioeconomic backgrounds. c. have been told that good grades can help them get a scholarship. d. have previously associated grades with other reinforcers.
. A researcher asks adult participants to rank their Top 5 favorite songs from their childhood. Based on the scale of measurement described, which measure of central tendency is most appropriate to describe these data?
A. mean B. median C. mode D. range
Project-Based Learning often involves ________ projects
A) short-term B) long-term C) simple D) difficult