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Research Methods 2 > Statistical Tests- Choosing a Statistical Test > Flashcards

Statistical Tests- Choosing a Statistical Test Flashcards

1
Q

To determine which statistical test is needed, what are the 3 design decisions that need to considered?

A

-Levels of measurement
-Is it a test of difference, correlation or association
-Experimental design

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2
Q

What is nominal data?

A

Categories.

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3
Q

What is ordinal data?

A

Ordered.

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4
Q

What is interval data?

A

numerical and measurement.

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5
Q

If it is nominal data and it is a test of difference using independent measures what is the statistical test?

A

Chi-squared

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6
Q

If it is nominal data and it is a test of difference using repeated measures what is the statistical test?

A

Sign test

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7
Q

If it is ordinal data and it is a test of difference using independent measures what is the statistical test?

A

Mann-Whitney

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8
Q

If it is ordinal data and it is a test of difference using repeated measures what is the statistical test?

A

Wilcoxon

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9
Q

If it is interval data and it is a test of difference using independent measures what is the statistical test?

A

Unrelated t-test

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10
Q

If it is interval data and it is a test of difference using repeated measures what is the statistical test?

A

Related t-test

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11
Q

If it is nominal data and it is a test of correlation or association what is the statistical test?

A

Chi-squared (association)

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12
Q

If it is ordinal data and it is a test of correlation or association what is the statistical test?

A

Spearman’s rho(correlation)

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13
Q

If it is interval data and it is a test of correlation or association what is the statistical test?

A

Pearson’s r(correlation)

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14
Q

What is the first step in doing a sign test?

A

Record each pair of data in the table

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15
Q

What is the second step in doing a sign test?

A

Record a plus sign if the second column is higher and a minus if the second column is lower, if the difference is 0 do not put a sign.

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16
Q

What is the third step in doing a sign test?

A

Calculate the number of participants in each category.

17
Q

What is the fourth step in doing a sign test?

A

Out of the - and + sign categories, identify the category with the smaller number, The number is S.

18
Q

What is the fifth step in doing a sign test?

A

Read off the critical values table to see if it is significant.

Research Methods 2 (7 decks)

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