A small number of clinicians are responsible for a large percentage of dissociative identity disorder diagnoses

A chi-square contingency table tells us:

a. If cell frequencies depend on another variable b. If cell frequencies are the same c. If cell frequencies are significantly different from zero d. None of the above

Castilla wonders whether environmental factors influence how long juries take to select a foreperson. Mock jurors are brought into a room with either a rectangular table or a round table. The jurors are asked to select a foreperson before starting deliberation. Castilla records how long it takes each jury to select a foreperson. The shape of the table is the

a. independent variable. b. dependent variable. c. subject variable. d. control variable.