Eighteen-month-old Marty is pointing at objects in the park and trying to name them. His mother praises him for his correct labeling, and she tells Marty the correct name for objects he mislabels. This scene illustrates the importance of which of the following in language acquisition?
a. parentese
b. maturation
c. biological predisposition
d. learning
D
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Paul is concerned about his risk for cancer. Which of the following is true of the development of cancer?
a. People do not normally develop cancerous cells. b. People normally develop cancerous cells. c. People cannot normally destroy cancerous cells. d. Behavior patterns do not influence the occurrence of cancer.
There are no gender differences in the weight and length of infant children
Indicate whether the statement is true or false.
A disadvantage of a single variable two-level experiment is that
A) it is dangerous to guess the shape of a function from two points. B) you cannot use as many participants as in other designs. C) the statistics you have to use are more difficult than with a one-level experiment. D) all the choices are disadvantages.
The proportion of variance in a trait that is due to variation in genes is called ________
Fill in the blank with correct word.