Answer the following statement(s) true (T) or false (F)
In a matched samples design, one group of 20 participants was asked to read a passage of text printed in Helvetica and the other group was asked to read the same passage in Comic Sans Ms. The average time required to read the passage was 3.2 minutes for the Helvetica groups and 3.6 minutes for the Comic Sans MS group. The standard deviation of the difference scores was 1 minute. Therefore, the 95% confidence interval around mD = mH – mCSMS is [–0.87, 0.07].
Ans: T
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One of the strongest predictors of the likelihood that an individual will develop schizophrenia is if:
A. an identical twin has schizophrenia B. a fraternal twin has schizophrenia C. a parent has schizophrenia D. the person already suffers from major depression
The minimal difference between two stimuli that people can reliably detect is the
a. absolute threshold. b. difference threshold. c. perceptual threshold. d. sensitivity threshold. e. Weber's constant.
When children are used as research participants a. informed consent is not necessary. b. informed consent must be obtained from the parents or legal guardians. c. confidentiality does not matter
d. the issue of "risk" is not important.
The binomial distribution applies equally well to discrete and continuous variables
Indicate whether the statement is true or false