Which of the following statements is true of dyslexia?
A) It is caused by overexposure to food preservatives.
B) It is characterized by letter reversal, mirror reading, and reduced comprehension.
C) It is more common in girls than in boys.
D) It reflects the lack of executive control of the brain over motor and more primitive functions.
B
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One sample with n = 4 scores has a mean of M = 12, and a second sample with n = 6 scores has a mean of M = 8 . If the two samples are combined, what is the mean for the combined set of scores?
a. 4.8 c. 10.0 b. 9.6 d. 19.2
Brandy has just begun to learn to read. At this point, she knows that the letter with one line and two bumps is the "B.". She also knows that this letter corresponds to the "b" sound, and it is the first letter of her name. While Brandy has this knowledge, she is not yet able to connect all written words with their sounds. Brandy is best classified as being in the _____ phase of reading
development. a. prealphabetic b. partial alphabetic c. full alphabetic d. phonological awareness
The "magic number," according to Miller, is
a. 7 and 11. b. 5 plus 2. c. 7 plus or minus 2. d. lucky 13.
The field of _____ deals with the human problems associated with inherited disorders
a) behavioral genetics b) developmental counseling c) biopsychology d) genetic counseling