Scientists Have Developed a New Type of Margarine That Contains

question 59

Multiple Choice

Scientists have developed a new type of margarine that contains plant ingredients. They expect that the margarine will lower blood cholesterol levels. They want to test their hypothesis by comparing the blood cholesterol levels of people who will consume the new margarine with those who will consume regular margarine for a few days. Both groups of people will know which type of margarine they are to consume. Which type of research design will the scientists consider?

• A)An epidemiological study
• B)A case study
• C)An intervention study
• D)A laboratory study
• E)A double-blind study

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Definitions:

Freud

Sigmund Freud was an Austrian neurologist who founded psychoanalysis, a clinical method for treating psychopathology through dialogue between a patient and a psychoanalyst.

Hall

G. Stanley Hall, an American psychologist and educator who is considered one of the founding figures of child psychology and educational psychology.

Key Transitions

Significant changes or periods of transformation in an individual's life or within a system that mark a passage from one state or phase to another.

Maturity

A state of being fully developed in one's emotional, physical, and intellectual capacities, often associated with adulthood and reasoned decision-making.