Study 1 Investigated Whether Lack of Sleep Influences People's Information

Multiple Choice

Study 1 investigated whether lack of sleep influences people's information processing using a college sample and paper and pencil measures. Study 2 replicated the study using a convenience sample gathered from a sleep clinic (of middle-aged and elderly adults) , and measured information processing using fMRI images. Study 3 conducted a third study on sleep and information processing in school children, using behavioral observations and verbal responses to several information processing questions. Studies 1 and 2 were consistent with hypotheses, while Study 3 found no differences. This series of studies would likely be high in which of the following?

A) robustness
B) ecological validity
C) relevance
D) A and B
E) A and C
F) none of the above