T-Tests

Question 1

When to use an independent t test

Answer 1

• A form of inferential test
• Use when there are:
  One IV with 2 groups only
  One DV
• Allows comparison between the means of the 2 groups & calculates
  the probability that the difference has occurred by chance

Question 2

When to use paired samples t test

Answer 2

• Paired Samples T-test → Within-subjects design
• Use when there are:
  One IV with 2 conditions only
  One DV
• Allows comparison between the means of the 2 conditions &
  calculates the probability that the difference is occurred by chance
  Repeated-measures/
  Within-subject design