The existence of a consistent, systematic relationship between two events, measures, or variables.
What is correlation?
100
A formal trial undertaken to confirm or disconfirm a fact or principle.
What is experiment?
100
An inactive substance given in place of a drug in psychological research or by physicians who wish to treat a complaint by suggestion.
What is placebo?
100
An in-depth focus on all aspects of a single person.
What is case study
100
humans or animals whose behavior is investigated in an experiment.
What is experimental subjects
200
The act of causing some effect.
What is causation?
200
Any condition that changes or can be made to change; a measure, event, or state that may vary.
What is variable?
200
Changes in behavior due to expectations that a drug or other treatment will have some effect.
What is placebo effect?
200
The use of public polling techniques to answer psychological questions.
What is survey method
200
In an experiment, the condition (usually a behavior) that is affected by the independent variable.
What is dependent variable
300
A relationship that forms a straight line when graphed.
What is linear relationship?
300
In an experiment, the condition being investigated as a possible cause of some change in behavior. The values that this variable takes are chosen by the experimenter.
What is independent variable?
300
An arrangement in which subjects remain unaware of whether they are in the experimental group or the control group.
What is single-blind experiment?
300
A small, randomly selected part of a larger population that accurately reflects characteristics of the whole population.
What is representative sample
300
Conditions or factors excluded from influencing the outcome of an experiment.
What is extraneous variables
400
A statistical relationship in which increases in one measure are matched by increases in the other.
What is positive correlation?
400
In a controlled experiment, the group of subjects exposed to all experimental conditions or variables except the independent variable.
What is control group?
400
An arrangement in which both subjects and experimenters are unaware of whether subjects are in the experimental group or the control group.
What is double-blind experiment?
400
An accident or other natural event that allows the gathering of data on a psychological phenomenon of interest.
What is natural clinical test
400
Any false and unscientific system of beliefs and practices that is offered as an explanation of behavior.
What is pseudo-psychology
500
A statistical index ranging from - 1.00 to + 1.00 that indicates the direction and degree of correlation.
What is coefficient of correlation?
500
The use of chance to assign subjects to experimental and control groups.
What is random assignment?
500
Changes in subjects' behavior caused by the unintended influence of an experimenter's actions.
What is experimenter effect
500
A tendency for females and female issues to be underrepresented in research, psychological or otherwise.
What is gender bias
500
The tendency to consider a personal description accurate if it is stated in very general terms.