How does puberty begin? Describe it in terms of body, brain and hormone changes
What will be an ideal response?
Puberty starts when a certain threshold level of body fat is reached. At this point, it triggers a chemical event in the hypothalamus. This event leads either the ovaries or testes to increase production of sex hormones.
You might also like to view...
According to the parallel distributed processing model of semantic memory, how does spontaneous generalization differ from default assignment?
a. In spontaneous generalization, we make a more conscious effort to draw inferences. b. In spontaneous generalization, we can only account for conditioning (e.g., classical conditioning), whereas default assignment is a more sophisticated process. c. Spontaneous generalization takes place in long-term memory; default assignment takes place in working memory. d. In spontaneous generalization, we draw a conclusion about an entire category; in default assignment, we draw a conclusion about one member of a category.
Susan wanted to know if aerobic exercise caused more weight loss than just walking
Susan had her experimental group do aerobic exercise for 20 minutes, 4 days a week. She weighed each subject before the experiment started and again 3 months into the experiment. The independent variable in her experimental research was _____ a) the subject's weight. b) the exercise. c) the amount of time the subject exercised. d) the change in subject's weight at 3 months.