Assume that you are conducting a study on the effectiveness of various weight loss methods. You randomly assign 120 participants to one of the following groups: (1) Weight Watchers, (2) a 6-week exercise and nutrition camp, or (3) a free subscription to an online application that tracks calories, exercise, and provides daily feedback about nutrition and physical activity. What is the independent variable? What is a possible dependent variable?
What will be an ideal response?
Independent variable: group or group assignment. Dependent variable: weight loss or changes in weight
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In the context of the adolescent stage of development, mention the key elements for this developmental stage that illustrate the turbulence and stress of this period
What will be an ideal response?
In dogs, narcolepsy is __________.
A. produced by a mutation of a specific orexin-receptor gene B. due to a flaw in the lateral hypothalamus C. a mutation of the leptin gene D. an environmental disorder
Dummy coding involves:
A. categorizing dependent variables according to their magnitudes. B. creating new variables based on the values of the old ones. C. assignment of numbers to the levels of a qualitative independent variable. D. None of the answers is correct.
The process whereby weaker neural connections are eliminated and stronger neural connections are further enhanced is called __________
A) neural shearing B) neural pruning C) synaptic elimination D) synaptic pruning