AQA Psychology - Research Methods > Choosing a Statistical Test > Flashcards

Choosing a Statistical Test Flashcards

(19 cards)

Study These Flashcards
1
Q

What is levels of measurement?

A

Nominal, ordinal or interval

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2
Q

What is statistical tests?

A

Used in psychology to determine whether a significant difference or correlation determining whether the null hypothesis should be rejected or retained

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3
Q

Which statistical test should be used when containing:

  • Test of difference
  • Nominal data
  • Unrelated design
A

Chi-squared

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4
Q

Which statistical test should be used when containing:

  • Test of difference
  • Ordinal data
  • Unrelated design
A

Mann-Whitney

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5
Q

Which statistical test should be used when containing:

  • Test of difference
  • Interval data
  • Unrelated design
A

Unrelated t-test

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6
Q

Which statistical test should be used when containing:

  • Test of difference
  • Nominal data
  • Related design
A

Sign Test

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7
Q

Which statistical test should be used when containing:

  • Test of difference
  • Ordinal data
  • Related design
A

Wilcoxon

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8
Q

Which statistical test should be used when containing:

  • Test of difference
  • Interval data
  • Related design
A

Related t-test

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9
Q

Which statistical test should be used when containing:

  • Test of association or correlation
  • Nominal data
A

Chi-squared

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10
Q

Which statistical test should be used when containing:

  • Test of association or correlation
  • Ordinal data
A

Spearman’s rho

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11
Q

Which statistical test should be used when containing:

  • Test of association or correlation
  • Interval data
A

Pearson’s r

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12
Q

What is nominal data?

A
  • Data is represented in the form of categories

- Discrete

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13
Q

What can nominal data be referred to?

A

Categorical data

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14
Q

What is ordinal data?

A
  • Ordered in some way

- Does not have equal intervals between each unit

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15
Q

What does ordinal data lack in?

A

Precision as based on subjective opinion

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16
Q

What is interval data?

Study These Flashcards
A
  • Based on numerical scale with equal intervals between each unit
  • Public scales of measurements
  • Precise and sophisticated form of data
17
Q

What is the relation to nominal data to measures of central (CT) tendency and dispersion (D)?

Study These Flashcards
A
  • Mode for CT

- N/A for D

18
Q

What is the relation to ordinal data to measures of central (CT) tendency and dispersion (D)?

Study These Flashcards
A
  • Median for CT

- Range for D

19
Q

What is the relation to interval data to measures of central (CT) tendency and dispersion (D)?

Study These Flashcards
A
  • Mean for CT

- Standard deviation for D

AQA Psychology - Research Methods
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