Post hoc comparisons for a one-factor between-subjects analysis ...

[LCritchfi]

Post hoc comparisons for a one-factor between-subjects analysis of variance may be
  made using the .
 
  a. tindtest
  b. one-factor multilevel analysis of variance
   c. Tukey HSD test
  d. pairwise test

Question 2

To decide that the independent variable is responsible for the difference between the
  means of two groups in an experiment, it is necessary to determine the _____ .
 
  a. difference expected from sampling error alone
  b. effect expected from the dependent variable
  c. variation due to the level of alpha
  d. difference due to the independent variable

[johnpizzaz]

Answer to Question 1

C

Answer to Question 2

A

[LCritchfi]

TYSM

[tanna.moeller]

Great answer, keep it coming