Data collection methods Flashcards

1
Q

laboratory experiment strengths

A

control experimenter has over research variables

high internal validity

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2
Q

laboratory experiment weakness

A

low ecological validity

IV or DV may be operationalised lack mundane realism

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3
Q

field experiment strength

A

more natural

like everyday life compared to laboratory experiment

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4
Q

field experiment weakness

A

difficult to control extraneous variables

MAJOR ethical issue- difficult to debrief participants if they don’t know there being studied- manipulation

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5
Q

natural experiment strength

A

allows research where IV can’t be manipulated

enables study of ‘real problems’ — increased mundane realism and ecological validity

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6
Q

natural experiment weakness

A

cannot demonstrate casual relationship as IV not directly manipulated
random allocation not possible may lead to confounding variables

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7
Q

confounding variable

A

a ‘extra’ variable that can ruin experiment and bring useless results

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8
Q

Quasi- experiment

A

contains a naturally occurring IV- difference between people that already exists
shares similarities with the traditional experimental design or randomised controlled trial

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9
Q

quasi experiment strength

A

allows comparisons between types of people

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10
Q

quasi experiment weakness

A

participants may be aware they are being studied

DV may be a artificial task reducing ecological validity

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11
Q

Independent variable meaning

A

input variable that is manipulated

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12
Q

Dependent variable meaning

A

responds to the IV it is what you measure and what is affected in experiment

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13
Q

Observational techniques types

A
  • naturalistic
  • controlled
  • covert
  • overt
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14
Q

naturalistic observation strength

A

realistic picture of spontaneous behaviour

high ecological validity

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15
Q

naturalistic observation weakness

A

little control over what happens in experiment- extraneous variables

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16
Q

controlled observation strength

A

focus on specific aspects of behaviours

17
Q

controlled observation weakness

A

environment unnatural cause participants behaviour to become less natural - lacks validity

18
Q

covert observation

A

the participants are unaware they are being studied and unaware of the aims of the research

19
Q

covert observation strength

A

behaviour more natural as unaware of observation

20
Q

covert observation weakness

A

ethical issues- observation of private behaviours

21
Q

overt observation

A

participants are aware they are being observed

22
Q

overt observation strength

A

no deception involved

23
Q

overt observation weakness

A

behaviour may be unnatural as they are aware they are being observed

24
Q

questionnaire strength

A

easy to conduct
once designed and tested they can be distributed to large numbers quickly and cheaply
participants willing to reveal more

25
Q

questionnaire weakness

A

time consuming to design

sample may be biased due to people willing to do them

26
Q

self report techniques

A
  • questionnaires
  • interviews
  • structured
  • unstructured
27
Q

structured interview strength

A

easily repeated as questionnaires are standardised - answers can be compared

28
Q

structured interview weakness

A

interviewers expectations may influence answers- interviewer bias

29
Q

unstructured interview strength

A

interviewer tailors questions to specific responses and can get a deeper insight into respondents thoughts and feelings

30
Q

unstructured interview weakness

A

lack objectivity from questions being made on spot

more expensive requirements

31
Q

correlations strength

A

procedures are easily repeatable

32
Q

correlations weakness

A

fails to consider intervening variables

with experiments may lack internal/ external validity

33
Q

content analysis

A

used to analyse qualitative data

technique that allows researcher to transform qualitative data into quantitive data

34
Q

content analysis strength

A

high ecological validity

findings can be replicated

35
Q

content analysis weakness

A

observer bias reduces objectivity and validity of findings

36
Q

case study strength

A

offers in depth data– data that may be overlooked is identified
complex interactions can be studied

37
Q

case study weakness

A

difficult to generalise

often involves the recollection of past events - unreliable