6 Inferential Stats Flashcards

1
Q

Descriptive stats

A

Describe and summarises the sample data.

Includes
🔸measure of central tendency
🔸measures of dispersion

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2
Q

4 mains issues to consider when choosing the right statistical test?

A
  1. Association or difference?
  2. No of independent variables
  3. No of exp conditions
  4. Parametric or non?
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3
Q

Conditions to meet to use a parametric test

A

🔸 data is normally distributed
🔸 data is interval/ratio (scale)
🔸 data is large (n=30+)

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4
Q

Pros of parametric tests?

A

They are tests of choice.

They are more sensitive and are more likely to pick up a significant difference.

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5
Q

Cons of parametric tests?

A

Increased chance of type 1 errors in small or skewed samples.

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6
Q

What 3 values do we report w statistical tests?

A

🔸test value (t, F, or U)
🔸degree of freedom (df)
🔸P value

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