In a Controlled Experiment, _______________

question 30

Multiple Choice

In a controlled experiment, _______________.

• A)the researcher controls for the effects of all variables except one
• B)the researcher knows the outcome before beginning the experiment
• C)the researcher has several hypotheses,one of which will be proven correct
• D)you need only a single experimental organism which is tested again and again
• E)the researcher controls for the effects of only one variable

Understand the effect of preventive measures on health outcomes.

Analyze the association between lifestyle factors (e.g., physical activity) and health outcomes.

Interpret statistical measures of association and risk in epidemiologic studies.

Assess the impact of interventions (e.g., sunscreen use) on health outcomes in randomized control trials.

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Definitions:

Cognitive Development

The process by which individuals perceive, think, and gain understanding of their world through the interaction of genetic and learned factors.

Information Processing Approaches

Models that seek to identify the ways individuals take in, use, and store information.

Piaget's Approach

A theory of cognitive development that describes how children construct a mental model of the world through stages of learning and understanding.

Short-term Memory

The capacity for holding a small amount of information in an active, readily available state for a short period of time.