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IB Psych notes 1
n/a
14
Psychology
11th Grade
09/21/2010

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Cards

Term
Demand Characteristics
Definition

when participants act differently because they know they are in an experiment

Term
Expectancy Effect
Definition

I expect that this is what the hypothesis is, so I will act this way.

Term
Researchers Bias
Definition

The experimenter sees what he or she is looking for

Term
Social Desirablility Effect
Definition

Wanting to fit in; one acts differently or according to how others react

Term
Intervening Variable
Definition

Variables that cannot be controlled, and may have affected the study

Term
Confounding Variable
Definition

variables that the researcher should have controlled but did not

Term
Contamination
Definition

When somebody already knows what's going on

Term
Maturation
Definition

Makes progress; repeated practice makes participants better

Term
Placebo Effect
Definition

Only get better becasue you think that you are being treated, something is helping you.

Term
Artificiality
Definition

When the situation created is so unlikely to occur, that one has to wonder if there is any validity in the findings

Term
Ecological Validity
Definition

tests what happens in the real world

Term
Double Blind Control
Definition

neither the participants nor the person carrying out the experiment know what the aim, or which group is treated and which is controlled.

Term
independant samples
Definition

two different groups with different people

Term
repeated measures
Definition

same group of people tested twice.

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