Jazlyn conducted a true experiment on the effects of multi-tasking and problem solving. Her population was ethnically and economically diverse and her sample was very large (n = 1,000). Jazlyn found that more time pressure led to more errors on a problem-solving task. How much does Jazlyn need to worry about GAGES confounds in her experiment? A) not much at all
B) somewhat (she addressed some GAGES variables but not others)
C) very much