There is a sex difference between males and females as to when the biological changes of puberty typically occur. Females typically experience the changes between ages ____ and males between ages ____.
A. 9 and 13; 10 and 14
B. 10 and 14; 9 and 13
C. 7 and 9; 9 and 13
D. 13 and 16; 10 and 13
Answer: A
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Animals such as dolphins or chimps have shown some language-like behavior but have not been seen to demonstrate the language skills equal to that of a 3-year-old human child
Indicate whether this statement is true or false.
How old are people who are in Erikson's age of basic trust versus mistrust?
a. Infants b. Elementary-school age children c. Teenagers d. Retired people
These designs can also be done with twins to match genetics and/or upbringing in a study or couples to examine differences across members of the couple while matching the dynamics of the relationship within each couple.
What will be an ideal response?
A researcher compares people who have gone to college with those who have not. He predicts and finds that people with a college education are less likely to smoke or drink than those who never went. In this example, the researcher is using
A. randomly assigned participants. B. a manipulated independent variable. C. a nonmanipulated independent variable. D. a correlation coefficient.