Week 4 Flashcards

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1
Q

What are the 3 basic modalities of measurement

A

Self-report
Physiological measurement
Behavioural measurement

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2
Q

Define self-report data

A

Participants describe their behaviour or express opinions in interviews or questionnaires

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3
Q

Advantages and Disadvantages of self-report data

A

Advantages
- Only the individual has direct access to information about their state of mind

Disadvantages

- Participants may distort responses to please the researcher 
- Can also be influenced by question wording and other aspects of the situation
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4
Q

Advantages of physiological measures

A

Accurate, reliable

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5
Q

Define behavioral measures

A

Behaviours that can be observed and measured

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6
Q

Define categorical variables

A

A categorical variable (sometimes called a nominal variable) is one that has two or more categories

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7
Q

What are the two types of categorical variables

A

Nominal

Ordinal

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8
Q

Define nominal data

A
  • Qualitative, descriptive, non-numerical

- Value is not organised in a logical sequence (no order is implied)

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9
Q

Define ordinal data

A
  • Semi-qualitative with numerical ranking

- Difference between rankings not always consistent

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10
Q

Define numerical variables

A

numerical variable is a variable where the measurement or number has a numerical meaning.

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11
Q

What are the 2 types of numerical variables

A

Interval

Ratio

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12
Q

Define interval

A

Has no ‘true’zero

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13
Q

Define ratio

A

Has a true zero
Numbers can be compared as multiples of one a other
Ratio data can be multiplied and divided

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14
Q

Two types of quantitative data

A

Continuous

Discrete

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15
Q

Define continuous quantitative data

A

Any value between a certain set of numbers

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16
Q

Define discrete quantitative data

A

Value from a set of distinct whole values