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11 Jun 2018
31. When researchers use a design, they typically find that both fluid and crystallized intelligence decline relatively early in life, but when they use a design, they often find that both of these abilities remain stable until much later in life A) correlational; experimental B) cross-sectional; longitudinal C) naturalistic observation, self-report D) placebo; double-blind E) sequential; double-blind
31. When researchers use a design, they typically find that both fluid and crystallized intelligence decline relatively early in life, but when they use a design, they often find that both of these abilities remain stable until much later in life A) correlational; experimental B) cross-sectional; longitudinal C) naturalistic observation, self-report D) placebo; double-blind E) sequential; double-blind
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