In a one factor between groups design, the null hypothesis states ...

[tsand2]

In a one factor between groups design, the null hypothesis states that _____.
 
  a. the treatment affects all groups
  b. the treatment only affects one group
  c. the treatment has no effect among the groups
  d. the treatment has no effect on the independent variable

Question 2

A one factor between groups design is called a between groups design because _____
 
  a. the same people participate in (move between) all the groups
  b. different people serve in the different treatment groups
  c. the average performance of all people in the experiment is averaged and graphed
  d. both independent variables are compared with each other between all groups

[amcvicar]

Answer to Question 1

C
Because there are more than two groups in this design, the null hypothesis states that there will be no differences among the groups.

Answer to Question 2

B
In any between groups design, the people in the various groups are different people.

[tsand2]

Thank you!

[amcvicar]

Happy to help