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26 Cards in this Set

  • Front
  • Back
Positive relationship
a relationship in which an increase in one measure results in an increase in another measure
Observer effect
changes in behavior caused by an awareness of being observed
Single-blind experiment
a test in which the subjects do not know if they are in the experimental or control group
Negative relastionship
a relationship in which an increase in one measure results in a decrease in another
What is the scientific method and what are its five steps?
It is simply testing a proposition by systematic observation.
1. Observation
2. Defining the problem
3. Proposing a hypothesis
4.Gatheringevidence/testing the hypothesis
5. Theory building
Dependent variable
the condition that is affected by the independent variable
Double-blind experiment
a test in which neither the subjects or examiners know which subjects are in the experimental or control group
Independent variable
condition tested as a possible cause of changes in behavior
Summerizes observations in terms of interrelated facts and concepts. A good theory is stated in terms that make it falsifiable, which simply means it can be tested.
Control group
subjects exposed to all conditions except the independent variable
Extraneous variable
any conditions excluding the independent variable which affect the outcome of an experiment
a formal test conducted to test a fact, principle, or theory
Experimental subjects
humans or animals whose behavior is being investigated
fake treatment
Experimenter effect
changes in subjects' behavior unintentionally caused by the experimenter's actions
a relationship between two events, measures, or variables
Correlational study
a study between the relationship between two events, measures, and variables
repeating observations or experiments to confirm prior conclusions
Experimaental group
subjects exposed to the independent variable
any condition which can vary or change
a tentative explanation of an event or observation.
Natural setting
typical environment in which a person or animal lives
Placebo effect
changes in behavior based on a false belief that treatment has occured
Representative sample
a small group which accurately reflects the large population
an entire group belonging to a particular category
Survey method
use of public polling to answer psychological questions