Human Factors Methods Flashcards

1
Q

Naturalistic observation

A
  • check in with subjects
  • involve participants
  • multiple realities (study as a whole to determine trends)
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2
Q

Ethical issues

A
  • beneficence (protection from harm)
  • justice in selection of subjects
  • providing clear instructions
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3
Q

Dependent variables (experimental)

A
  • sensitivity
  • reaction time
  • error rate
  • physiological
  • EEG
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4
Q

Consideration with subjects

A
  • representative of target population (or general population)
  • randomization
  • allow time to rest (fatigue)
  • intrusiveness
  • experience (test round)
  • learning
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5
Q

Improve reliability

A
  • replication

- randomization of subjects and conditions

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6
Q

Improve validity

A
  • inter-rater reliability
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7
Q

3 elements of situational awareness

A
  • ability to perceive each element in situation
  • ability to evaluate and understand the information on a more global level
  • ability to project the understanding of the situation into the future
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8
Q

dependent variables (questionnaires)

A
  • open/close ended questionnaires
  • response bias
  • SAGAT (SA)
  • SWAT and NASA-TLX (Mental workload)
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9
Q

Models for dynamic environments

A
  • lens
  • rule-based
  • WDA, CTA
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10
Q

Other models

A
  • CPM-GOMS
  • ACT-R
  • physiological model
  • microworlds
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11
Q

Validity issues for VPA

A
  • verbalizing makes participants uncomfortable

- use alternative methods that are easier to explain

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12
Q

2 ways to increase validity for VPA

A
  • modeling

- ask them clarifying questions

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13
Q

Observation studies

A
  • VPA
  • CDM
  • field studies
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14
Q

Validity issues for CDM

A
  • researcher might bias

- based on memory

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15
Q

Validity issues for field studies

A
  • biased observations
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16
Q

Options for field studies

A
  • exploratory or focused
  • videos, notes
  • statistics, general analysis
17
Q

Issues with archival data

A
  • accuracy of reports (incomplete)
  • based on memories
  • certain sampling of data
18
Q

Considerations for experimental design

A
  • ind/dep
  • between/w-in
  • randomize (or purposive sampling)
  • avoid confounding
  • control group
  • hypothesis
19
Q

Coherence

A

logic/math

20
Q

Correspondence

A

applicability

21
Q

nomotheitic

A

trends over sets

22
Q

ideographic

A

data on an individual