Which of the following is true of spermarche?
A) Its onset varies considerably between different ethnic groups.
B) It typically occurs between 13 and 14 years of age, but the production of viable sperm does not happen until a few months later.
C) It typically occurs between 15 and 16 years of age.
D) Viable sperm production usually occurs a few months prior to the first ejaculation.
B
Psychology
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A social psychologist employing the ________ method of research is most like a video camera.
A) experimental B) participant observation C) archival analysis D) observational E) correlational
Psychology
Recent research suggests that ________ sleep is important for ________ memory
a. slow-wave; nondeclarative b. REM; sensory c. REM; declarative d. slow-wave; sensory e. REM; nondeclarative
Psychology