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AP Psychology Unit 2 Flashcards

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10797484285hindsight biasThe tendency to believe, after learning an outcome, that one would have foreseen it0
10797879275What does Naturalistic Observation aim for?To describe behavior rather than try to explain it1
10797484286critical thinkingexamines assumptions, discerns hidden values, evaluates evidence, and assesses conclusions2
10797879276Naturalistic ObservationObserving/recording behavior in real-world settings without trying to manipulate or control the situation3
10797484287validitythe extent to which a test or experiment measures or predicts what it is supposed to do4
10797484288theoryA hypothesis that has been tested with a significant amount of data5
10797484289hypothesisA testable prediction, often implied by a theory6
10797484290operational definitionA statement of the procedures used to define research variables that is specific and allows research to be replicated7
10797484292case studyAn observation technique in which one person is studied in depth in the hope of revealing universal principles8
10797484293surveyA study, generally in the form of an interview or questionnaire, that provides researchers with information about how people think and act9
10797484294populationthe whole group that you want to study and describe10
10797484295random sampleA sample that fairly represents a population because each member has an equal chance of inclusion11
10797484296correlationA measure of the relationship between two variables12
10797484297correlation coefficientA statistical index of the relationship between two things (from -1 to +1)13
10797484298scatterplotA graphed cluster of dots, each of which represents the values of two variables14
10797484299illusory correlationThe perception of a relationship where none exists15
10797484300experimentA research method in which an investigator manipulates one or more factors to observe the effect on some behavior or mental process16
10797484301random assignmentAssigning participants to experimental and control conditions by chance, thus minimizing preexisting differences between those assigned to the different groups(how you assign them)17
10797484302double-blind studyAn experiment in which neither the participant nor the researcher knows whether the participant has received the treatment or the placebo18
10797484303placebo effectimprovement resulting from the mere expectation of improvement19
10797484304experimental groupA subject or group of subjects in an experiment that is exposed to the factor or condition being tested20
10797484305control groupThe group that does not receive the experimental treatment21
10797484306independent variableA variable whose values are independent of changes in the values of other variables22
10797484307confounding variableA factor other than the independent variable that might produce an effect in an experiment23
10797484308dependent varibaleThe variable that is observed and that changes in response to the independent variable, the thing you are measuring24
10797484309modeMost frequently occurring score25
10797484310meanAverage26
10797484311medianMiddle number27
10797484312rangeDistance between highest and lowest scores in a set of data28
10797484313standard deviationA computed measure of how much scores vary around the mean score29
10797484314normal curveThe symmetrical bell-shaped curve that describes the distribution of many physical and psychological attributes30
10797484315statistical significanceA statistical statement of how likely it is that an obtained result occurred by chance31
10797484316cultureBeliefs, customs, and traditions of a specific group of people32
10797484317informed consentAn ethical principle requiring that research participants be told enough to enable them to choose whether they wish to participate33
10797484318debriefingA verbal description of the true nature and purpose of a study AFTER the study is over34
10797484319sampleA part of the population you are studying35
107974843223 main components of scientific attitudecuriosity skepticism humility36
10797484323disadvantage of a case studyovergeneralization, suggests that the results could be for everyone but more research is needed to back it up37
10797484324a theory is useful if?it effectively organizes a range of self-reports/observations and leads to a clear hypothesis that anyone can use and stimulates research to lead to a revised theory that better organizes and predicts what we know38
10797484326positive correlationtwo variable rise and fall together39
10797484327negative correlationvariables are related inversely, one goes up and the other goes down40
107974843281 standard deviation68%41
10797484329deceptioninvestigators providing false or incomplete information to participants for the purpose of misleading research subjects42
10797484330descriptive statisticsnumerical data used to measure and describe characteristics of groups, including measures of central tendency and variation43
10797484332skewed graphmode, median, and mean are different44
10797484333positive skewhigh outlier45
10797484334negative skewlow outlier46
10797484335measures of variabilitydepict diversity of the distribution (range, standard deviation)47
10797484344normal curve48
107974843373 principles of being reliablerepresentative samples are better than biased less variable observations are more reliable than those that are more variable more cases are better than fewer49
10797879277inferential statisticsto infer from sample data the probability of something being true of a population50
10797484339statistically significanthow likely it is that an obtained result occurred by chance51
10797484340culture (behavior)enduring behaviors ideas, attitudes, and how people perceive different situations, such as body shape, early sex, etc52
10797879278OverconfidenceTendency to overestimate our ability to make correct predictions53
10797879279What is causation?The relationship between cause and effect54
107978792802 standard deviation95%55
107978792813 standard deviation99.7%56
10880570331What is empirical method?A process that depends on direct observation of nature and experimentation57
10880570332What is the measure of central tendencymean58

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