A Researcher Conducts a Study in Which the Same Participants

Multiple Choice

A researcher conducts a study in which the same participants are observed across each level of the independent variable.If there are only two levels of the independent variable,then what type of t test is appropriate for this study?

A) one-sample t test
B) two-independent-sample t test
C) related-samples t test
D) there is not enough information to answer this question