Psychology Keywords

Keywords/terms for revision. 

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  • Created by: Parmz
  • Created on: 18-03-13 20:45
Ecological Validity
Whether an experiment is true to life or not.
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Demand Characteristics
Clues that the experimenter gives to the participant purposely or not that give away the purpose of the experiment.
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Confederates
People who are employed to take part in the experiment by the experimenter.
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Repeated Measures Design
One person/group takes part in each condition of the experiment.
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Independent Measures Design
One person/group takes part in only one condition of the experiment.
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Lab Experiment
An experiment done in a lab with controlled variables
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Field Experiment
An experiment done in a natural setting where variables cannot be controlled.
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Quantitative Data
Numerical data
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Qualitative Data
Written data
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Quasi
Readily available sample
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Ethical Guidelines
Rules that a psychological has to stick to in order to protect their participants: Harm, Deception, Withdrawal, Consent, Debrief
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Matched Pairs Design
When participants in different experimental conditions are matched according to factors such as age or gender.
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Confounding Variables
External factors that may affect the results of the experiment other than the variable that is being manipulated.
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Longitudinal Design
A task that is conducted on the same people at intervals over time.
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Dependent Variable (DV)
The variable in an experiment that is measured.
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Independent Variable (IV)
The variable in an experiment that changes.
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Validity
Whether a task what is it suppose to.
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Reliability
Whether results from an experiment are accurate and whether under the same experimental conditions, the same results would be found.
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Self Selected Sample
Volunteered participants
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Opportunistic Sample
Participants that were readily available
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Random
Participants that had a fair chance of being selected out of anyone
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Types of Questionnaire Scales
Multiple choice, numerical, likert scale, open questions and closed questions.
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Inter-rater reliability
If two researchers are doing an experiment at the same time and they check to see if they got the same results.
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Time Sample
Certain periods of time that experimenters observe at.
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Event Sample
Having a check list and ticking off behaviours listed
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Mean
Sum of numbers and dividing by amount
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Mode
Most frequent
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Range
Highest minus lowest
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Medium
Order the numbers from smallest to largest and cross off to obtain middle value
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Research Hypothesis
Vague prediction e.g. "Doing exercise will make memory better"
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Experimental Hypothesis
Specific prediction e.g. "Participants who complete 30 minutes of exercise a day will remember more items off a list than those who do not exercise"
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Null Hypothesis
A prediction containing "there is no significant difference" ...
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One-tailed Hypothesis
Has a direction: "The more exercise a participant gets the better their memory will be"
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Two-tailed Hypothesis
There is no direction: "There will be a link between the amount of exercise a participant gets and their money"
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Covert
When an experimenter is observing without the particpant knowing
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Overt
When the participant knows the experimenter is observing them
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Self Report
When participants analyze themselves through e.g. a questionnaire
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Case study
When an individual is studied over a period of time.
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Other cards in this set

Card 2

Front

Demand Characteristics

Back

Clues that the experimenter gives to the participant purposely or not that give away the purpose of the experiment.

Card 3

Front

Confederates

Back

Preview of the front of card 3

Card 4

Front

Repeated Measures Design

Back

Preview of the front of card 4

Card 5

Front

Independent Measures Design

Back

Preview of the front of card 5
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