Examlex
_________________ is a research strategy in which the researcher observes a group by participating, to varying degrees, in the activities of the group.
Serotonin
A neurotransmitter that contributes to feelings of well-being and happiness, also playing roles in sleep, digestion, and other bodily functions.
DSM-IV-TR
The Diagnostic and Statistical Manual of Mental Disorders, Fourth Edition, Text Revision; a manual used by healthcare professionals to diagnose and classify mental disorders.
Eating Disorder
A psychiatric condition characterized by abnormal or disturbed eating habits which negatively affect a person's physical or mental health.
Anorexia Nervosa
An eating disorder characterized by an extreme concern with being overweight and by compulsive dieting, sometimes to the point of self-starvation.
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Q96: The study of research methods primarily has