Which of the following is an example of maturation of a primary sex characteristic?
A) Victor has begun to develop facial hair.
B) Christine notices new hair in her underarms.
C) Simon's voice is becoming deeper.
D) Jennifer experiences her first menstrual cycle.
D) Jennifer experiences her first menstrual cycle.
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Dawn is systematically recording the behaviors of the kids in a nursery school, taking pains to avoid being obvious about what she is doing. Dawn is engaging in a(n) ________
a. observational study. b. exploratory research. c. experimental research. d. double-blind study.
Katy is doing a study using ________ for her advanced psychology class. She goes to the university dining hall and makes notes on her fellow students' behavior and activities
She is careful to avoid drawing attention to herself so her subjects will behave as usual. a. naturalistic observation b. laboratory observation c. exploratory research d. experimental research