The sample variance is defined as the sum of the _____
a. squared differences of each score from the mean of a distribution divided by the
sample size
b. differences of each score from the mean of a distribution divided by the sample
size
c. squared differences of each score from the mean of a distribution divided by the
sample size minus one
d. differences of each score from the mean of a distribution divided by the sample
size minus one
A
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Most children understand that death is permanent in early childhood.
a. true b. false
Some of the research on children's eyewitness testimony has important implications for the courtroom. According to that research
a. children are more accurate if interviewers ask the questions in a very emotional tone. b. as children grow older, they are increasingly likely to change their mind during a cross-examination. c. children are more likely than adults to say "I don't know" if they are unsure about the accuracy of their memory. d. young children have fairly accurate memory, under ideal circumstances.