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Biomedical model
considers disease as result from exposure to a specific pathogen
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Pathogen
any disease causing organism
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Biopsychosocial model
approach to health that includes biological, psychological, & social influences
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Health Psychology
relates to health enhancement, disease prevention, & rehab. contributes to behavioral medicine & health
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Placebo Effect
inactive substance or condition has appearance of active treatment& may cause improvement or chng cuz of ppl's belief in placebo's efficacy
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Nocebo Effect
adverse effects of a placebo
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Double-Blind Design
neither patients nor Dr.'s know who gets treatment or who placebo
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Single-Blind Design
providers know who gets placebo, but not patients
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Correlation Coefficient
any positive or neg relationship tween 2 variables. NOT CAUSAL
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Cross-Sectional Studies
subjects at dif ages studied @ 1 pt in time. NOT CAUSAL
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Longitudinal Studies
one group of subjects studied over time. NOT CAUSAL
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Ex Post Facto Designs
values of independent variable are not manipulated but selected by experimenter after groups naturally divide
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Subject variable
variable chosen by researcher to provide lvls of comparison for groups of subjects
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Epidemiology
branch of med investigates various factors that contribute to either positive health or freq & distr of a disease or disorder
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Risk Factor
any characteristic or condition that occurs in greater freq in ppl w/ disease that ppl w/o disease
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Prevalence
proportion of pop that has a disease/disorder @ specific time
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Incidence
measure of freq of new cases of disease/disorder during specific period of time
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Observational Methods
look @ & analyze occurence of specific disease in a given pop. NOT CAUSAL
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Prospective Studies
longitudinal studies that begin w/ disease-free group & follow the occurence of disease in that pop/sample
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Retrospective Studies
longitudinal studies that look back @ the history of a pop/sample
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Case-Control Studies
retrospective epidemiological study in which ppl affected by a given disease (cases) are compared to others not affected (control)
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Randomized, Controlled Trials
randomized controlled trial, researchers randomly assign participants to study group or control group, making both groups equal on pertinent factors except the variable being studies. CAUSAL
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Clinical Trial
tests effects of medical treatment, many are randomized, controlled trials
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Natural Experiments
independent variable can be selected, but not manipulated. NOT CAUSAL
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Meta-Analysis
stat tech for combining results of several studies when they have similar variables
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Absolute Risk
person's chance of developing disease/disorder independent of any risk others may have for that disease/disorder
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Relative Risk
person's risk for a disease/disorder compared to risk of others who don't share a similar condition or lifestyle
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Dose Response Relationship
direct, consistent relationship tween ind. variable (such as behavior) and dependent variable (such as disease)
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Theory
set of related assumptions from which testable hypoth can be drawn
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Model
set of related principles or hypoth constructed to explain significant relationship among concepts or observations
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Reliability
extent to which a test or other measuring instrument yields consistent results
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Validity
accuracy; extent measuring instrument measures what it's supposed to
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Self-Efficacy
belief that one is capable of performing behaviors that'll produce desired outcomes
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Optimistic Bias
belief that others, but not oneself, will develop disease, have accident, or other neg effects
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Illness Behavior
activities undertaken by ppl who feel ill & wish to discover their state of health, as well as suitable remedies
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Sick Role Behavior
activities undertaken by ppl who've been diagnosed sick & are directed to get well
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Positive Reinforcement
adding positive valued stimulus to a situatio, str behavior
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Negative Reinforcement
removing negative valued stimulus
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Punishment
presentation of aversive stimulus or removal of positive one (sometimes weakens response)
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Reciprocal Determinism (Bandura's Model)
includes environ, behavior, & person as mutually interacting factors
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Adherence
patients ability to follow recommended health practices
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Motivational Interviewing
theraputic approach that originated w/in substance abuse treatment that attempts to chng client's motivation & prepares them to chng behavior
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