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Psych > Research methods sac 1 > Flashcards

Research methods sac 1 Flashcards

1
Q

IV

A

The variable that has been systematically manipulated by the researcher.

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2
Q

DV

A

The variable that is measured as a result of the change made to the independent variable.

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3
Q

Population

A

Group of interest to research.

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4
Q

Sample

A

Subset of the population that is used in an experiment to represent the population

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5
Q

Experimental group

A

Group of participants that are exposed to the IV

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6
Q

Control group

A

Group of participants that are not exposed to the IV (are used as a point of comparison for the DV)

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7
Q

Random sampling

A

Where all members of the population have an equal chance of being chosen to participate in the research

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8
Q

Convenience sampling

A

Using participants who are readily available to participate in the research.

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9
Q

Stratified Sample

A

Where the proportions in the sample represent the proportions in the population

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10
Q

Random Allocation

A

Participants all have an equal chance of being placed in either the experimental or control group

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11
Q

Placebo

A

A fake or inert treatment

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12
Q

Placebo Effect

A

Where the participant’s behaviour changes due to their expectations that the treatment given will change their behaviour.

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13
Q

Experimenter Effect

A

The person conducting the experiment may influence the DV unintentionally.
This can be accounted for by using a double blind procedure

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14
Q

Single blind procedure

A

Where the participants do not know if they are in the experimental or control group (blind to their position)

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15
Q

Double blind procedure

A

Where neither the person administering the experiment, nor the participants know which is the experimental group and which is the control group . (experimenter should know)

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16
Q

Independent Groups Design

A

Each participant is exposed to only one experimental condition

Advantage - no order effect

Disadvantage - Participant characteristics can impact on the DV

17
Q

Matched Participants Design

A

Each participant in one condition has a pair with corresponding characteristics / traits in the other conditions

Advantage - Minimise participant characteristics that could have an impact on the DV, No order effect

Disadvantage - Time consuming
Perfect matches are also impossible to archive
If one participant drops out you must remove the other

18
Q

Repeated Measures Design

A

Each participant is exposed to all experimental conditions

Advantage - Eliminated participant differences that could impact on the DV

Disadvantage - Order effect (practise or boredom)

19
Q

Objective Data

A

Fact

20
Q

Subjective Data

A

Opinion / interpretation

21
Q

Qualitative Data

A

Information collected in word form

22
Q

Quantitative Data

A

Information collected in number form

23
Q

Ethical Considerations

A

Confidentiality, voluntary participation, withdrawal rights, informed consent, use of deceptions, debriefing

24
Q

Reliability

A

The experiment produces results that are consistent, dependable and stable

25
Q

Validity

A

The experiment measures what it claims to measure

26
Q

Internal validity

A

Extent to which the results are due to the variable that was tested or measured (conclusions)

27
Q

External validity

A

Extent to which an experiment produces results that can be applied to the population from which the sample was drawn (generalisation)

28
Q

Hypothesis

A

Independent variable
Population
Affect
Dependent variable

29
Q

Conclusions

A 
A statement about the results of the experiment and whether the IV had an impact on the DV.
Support 
Hypothesis 
Reject it
Evidence
Conclude
30
Q

counter balance

A

is used in a repeated measures design to account for order effect.
The order of IV and DP is swapped.
Group 1 = A- -> B
Group 2 = B –> A

Psych (16 decks)

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