Which of the following statements are true (tick all that apply):
Select one or more: n There was an interaction such that spelling scores deteriorated over time for the controls, but not for the group encouraged to send text messages. O There was an interaction such that spelling scores deteriorated over time for the group encouraged to send text messages, but this was not the case for the controls.
n There was no interaction between the variables n The difference between the two groups’ spelling scores was similar at Time 1 and Time 2.
