If reading proficiency scores are normally distributed with a mean of 50 and standard deviation of 12, what is the probability that a random sample of 25 scores will have a mean of 52.432 or less?
a. .1555
b. .8445
c. .6126
d. .3874
Ans: B
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Which term describes the positive emotional bond that develops between a child and a particular individual?
A. parental attention B. caregiver connection C. attachment D. reliance
Which term refers to the overly restrictive use of words, common among children just mastering spoken language?
A. holographic speech B. referential style C. overextension D. underextension
Wernicke's area is located in the ____ lobe, whereas Broca's area is located in the ____ lobe.
A. occipital; temporal B. temporal; frontal C. parietal; occipital D. frontal; parietal
For the following data set [1, 9, 9, 9, 11, 28], which of the following is false?
a. The mode is 9. b. The median is 9. c. The mean is 9. d. The median location is 3.5.