Practice test 2: Psych/Soc cards Flashcards
What is an embedded study?
researcher assumes role of community members
What is a prospective cohort?
participants are enrolled in study prior to seeing outcome
What is a prospective chart review?
evaluation of patient data that is pending IRB review
What is a mediator variable?
explains the process through which two variables are related
What is a moderating variable?
affects the strength and direction of the A-B relationship
What is a confounding variable?
extra variable that wasn’t accounted for
Do opoid withdraws produce symptoms that are similar or opposite to the symptoms that were observed while pt was on opoids?
Withdraws produce opposite symptoms to those seen when on opoids
Basis of drive reduction theory?
Taking action to eliminate a negative pressure. (aka eating food to eliminate negative hungry feeling)
What is the gestalt principle of similarity?
similar elements are visually grouped
What is the gestalt principle of continuation?
the human eye will follow the smoothest path when viewing lines
What is the gestalt principle of Proximity?
we tend to perceive elements as a group when they are close to each other.
What is the gestalt principle of closure?
Given the chance our mind will opt for simplicity and see implied shapes over collections of dots
What is the gestalt principle of connectedness?
we tend to group elements when they are connected to each other.
What is reconstructive bias?
poor recollection (relevant in retrospective studies)
What is social desirability bias?
subjects report behavior in accordance with social norms
What is test-retest bias?
applying same test multiple times and seeing an increase in preformance