Psychology Chapter 2 Vocabulary

lojobala's version from 2016-02-03 22:00


Question Answer
Informed ConsentConsent is given after they have been given a general overview of the research and have been given the choice of whether or not to participate
EthicsStandards for proper and responsible behaviour
Standard DeviationA measure of the distance of every score to the mean
Double-Blind StudyA study in which both participants and experimenters are unaware of who receives the treatment
Single-Blind StudyStudy in which the participants do not know whether they are in the experimental or control group
PlaceboA substance or treatment that has no effect apart from a person's belief in it
Controlled ExperimentAn experiment that uses control groups as well as experimental groups to determine whether the independent variable influences behaviour and if so, how it does so.
Control GroupGroup that does not receive the treatment in an experiment
Experimental GroupParticipants who receive the treatment in a study
Dependent VariableVariable that depends on something: the independent variable
Independent VariableThe factor that researchers manipulate so that they can determine its effect
VariablesFactors that can vary or change
ExperimentA controlled scientific procedure to determine whether certain variables manipulated by the researcher have an effect on other variables.
Negative CorrelationCorrelation in which as one variable increases, another decreases.
Positive CorrelationCorrelation in which as one variable increases, so does the other.
CorrelationThe relationship between variables.
Laboratory ObservationThe study of behaviour in a controlled situation
Naturalistic ObservationThe study of behaviour in naturally occurring situations without manipulation or control on the part of the observer
Cross-Sectional Methodmethod of research that looks at different age groups at the same time in order to understand changes that occur during the life span
Longitudinal MethodMethod in which researchers select a group of participants and then observe these participants over a period of time
Case StudyAn in-depth investigation of an individual or small group.
Volunteer BiasThe concept that people who volunteer to participate in research studies often differ from those who do not volunteer.
BiasPredisposition to a certain point of view
Stratified SampleSubgroups in the population are represented proportionally in the sample
Random SampleSample in which individuals are selected by chance from the target population.
SampleA part of the target population
Target PopulationThe whole group you want to study or describe
Surveymethod of gathering data by asking questions
ReplicatedTo repeat a research study, usually with different participants and in different situations, to confirm the results of the original study
Hypothesis An educated guess; A prediction or assumption about behaviour that is tested through scientific research
ConstructSomething that is assumed to be present but cannot be seen or measured directly.

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