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Chapter 2: The Research Enterprise in Psychology Flashcards

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463616930Anecdotal EvidencePersonal stories about specific incidents and experiences0
463616931Case StudyAn in-depth investigation of an individual subject1
463616932Confounding VariablesA condition that exists whenever two variables are linked in a way that makes it difficult to sort out their independent effects2
463616933Control GroupSubjects in a study who do not receive the special treatment given to the experimental group3
463616934CorrelationThe extent to which two variables are related to each other4
463616935Correlation CoefficientA numerical index of the degree of relationship between two variables5
463616936Data Collection TechniquesProcedures for making empirical observations and measurements6
463616937Dependent VariableIn an experiment, the variable that is thought to be affected by the manipulation of the independent variable7
463616938Descriptive StatisticsStatistics that are used to organize and summarize data8
463616939Double-Blind ProcedureA research strategy in which neither subjects nor experimenters know which subjects are in the experimental or control groups9
463616940ExperimentA research method in which the investigator manipulates a variable under carefully controlled conditions and observes whether any changes occur in a second variable as a result10
463616941Experimental GroupThe subjects in a study who receive some kind of special treatment in regard to the independent variable11
463616942Experimenter BiasA phenomenon that occurs when a researcher's expectations or preferences about the outcome of a study influence the results obtained12
463616943Extraneous VariablesAny variables other than the independent variable that seem likely to influence the dependent variables in a specific study13
463616944HypothesisA tentative statement about the relationship between two or more variables14
463616945Independent VariableIn an experiment, a condition or even that an experimenter varies in order to see its impact on another variable15
463616946Inferential StatisticsStatistics that are used to interpret data and draw conclusions16
463616947Internet-Mediated ResearchStudies in which data collection occurs over the web17
463616948JournalA periodical that publishes technical and scholarly material, usually in a narrowly-defined area of inquiry18
463616949MeanThe arithmetic average of the scores in a distribution19
463616950MedianThe score that falls exactly in the center of a distribution of scores20
463616951ModeThe score that occurs most frequently in a distribution21
463616952Naturalistic ObservationA descriptive research in which the researcher engages in careful, usually prolonged, observation of behavior without intervening directly with the subjects22
463616953Operational DefinitionA definition that describes the actions or operations that will be made to measure or control a variable23
463616954ParticipantsThe persons or animals whose behavior is systematicaly observed in a study24
463616955Placebo EffectsThe fact that subjects' expectations can lead them to experience some change even though they receive an empty, fake, or ineffectual treatment25
463616956PopulationThe larger collection of animals or people from which a sample is drawn that researchers want to generalize about26
463616957Random AssignmentThe constitution of groups in a study such that all subjects have an equal chance of being assigned to any group or condition27
463616958ReactivityAlteration of a subject's behavior as a result of the presence of an observer28
463616959ReplicationThe repitition of a study to see whether earlier results are duplicated29
463616960Research MethodsDiffering approaches to the manipulation and control of variables in empirical studies30
463616961Response SetA tendency to respond to questions in a particular way that is unrelated to the content of the questions31
463616962SampleThe collection of subjects selected for observation in an empirical study32
463616963Sampling BiasA problem that occurs when a sample is not representative of the population from which it is drawn33
463616964Social Desirability BiasA tendency to give socially approved answers about oneself34
463616965Standard DeviationAn index of the amount of variability in a set of data35
463616966Statistical significanceThe condition that exists when the probability that the observed findings are due to chance is very low36
463616967StatisticsThe use of mathematics to organize, summarize, and interpret numerical data37
463616968SurveyA descriptive research method in which researchers use questionnaires or interviews to gather information about specific aspects of a subject's behavior38
463616969TheoryA system of interrelated ideas that is used to explain a set of observations39
463616970VariabilityThe extent to which the scores in a data set tend to vary from each other and from the mean40
463616971VariablesAny measureable conditions, events, characteristics, or behaviors that are controlled or observed in a study41
463616972Neal MillerAsserted the benefits of animal research outweigh the harm done42
463616973Robert RosenthalStudied experimenter bias, a researcher's unintended influence on the behavior of subjects43
463616974Stanley SchachterStudied the effect of anxiety on affiliation44

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