A Variable Is Defined or Identified as _________

Multiple Choice

A variable is defined or identified as _________.

A) "Early Education", in an experiment studying the effect of Early Education on IQ
B) a characteristic of some event, object or person that has the same value regardless of differing times or conditions.
C) a characteristic of some event, object, or person that may have different values at different times depending on the conditions.
D) "IQ", in an experiment studying the effect of Early Education on IQ
E) a, c, and d