Advanced Placement (AP), 01.01.2020 15:31 AllyPotter1475

Adouble-blind study is sometimes needed because

a. may have expectations that affect their observations.
b. cannot control every variable outside a laboratory.
c. may not have time for a longitudinal study
d. are bound by a code of ethics

Answers: 2

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More questions: Advanced Placement (AP) Another questions

Adouble-blind study is sometimes needed because a. may have expectations that affect their observations. b. cannot control every variable outside a laboratory. c. may not have time for a longitudinal study d. are bound by a code of ethics

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Another question on Advanced Placement (AP)

Adouble-blind study is sometimes needed because

a. may have expectations that affect their observations.
b. cannot control every variable outside a laboratory.
c. may not have time for a longitudinal study
d. are bound by a code of ethics