Menarche is best described as the onset of

a. puberty

b. public hair.
c. menstruation.
d. body growth.

c

Psychology

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More than 125 years ago, the Dutch physiologist F. C. Donders devised a new method to study the "speed of mental processes."

Describe the rationale on which this method was based, then compare the use of this method to the techniques that psychologists are currently using to study mental processes, including the use of reaction time and mental processes. What will be an ideal response?

Psychology

What are the characteristics of a preoperational child?

What will be an ideal response?

Psychology