When analyzing data from experiments that involve more than two ...

[SO00]

When analyzing data from experiments that involve more than two groups _________.
 
  a. doing t tests on all possible pairs of means decreases the probability of making Type I errors
  b. doing t tests on all possible pairs of means increases the probability of making Type I errors
  c. it is generally permissible to do t tests between all possible pairs of means and use Student's t distribution
  d. doing t tests on all possible pairs of means increases the probability of making Type II errors

Question 2

A major limitation of a two group design is that _________.
 
  a. we can't run enough subjects
  b. very often, two groups are insufficient for a clear interpretation
  c. the population parameters may not be applicable
  d. the means between groups may not differ

[Perkypinki]

Answer to Question 1

B

Answer to Question 2

B

[SO00]

Thank you

[Perkypinki]

No problem