RM: Statistical testing Flashcards

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1
Q

What is the purpose of statistical testing

A
  • enables us to determine whether or not a hypotheses should be accepted or rejected
  • tells us whether differences/relationships between variables are statistically significant or have occurred by chance.
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2
Q

what is a sign test

A

can determine whether the difference we have found is significant or not.

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3
Q

when do we use the sign test

A
  • There is a test of difference
  • repeated measures design used
  • need nominal data
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4
Q

what does it mean if the experimental hypothesis is accepted when the probability is 0.05

A

there is less than a 5% probability the results occurred by chance
- can be 95% sure the difference was found because of the manipulation of the IV on the DV

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5
Q

what is the calculated value

A

this is the number the researcher is left when the statistical test has been calculated

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