Match each research method with its corresponding example. experiment correlational study observation self-report survey
A social psychologist spends the afternoon at the mall and unobtrusively records how teenagers act in groups., Press
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A positive psychologist measures the relationship between spirituality and happiness., Press
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A health psychologist randomly assigns people to meditate in the morning, at night, or not at all. After eight weeks, people rate their overall moods., Press
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A cognitive psychologist sends out a questionnaire to all incoming students to determine their computer skills.

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Explanation:

a. A social psychologist spends the afternoon at the mall and unobtrusively records how teenagers act in groups.

This is an observation. This is because the social psychologist is gathering data about the behavior of the teenagers and recording it.

b. A positive psychologist measures the relationship between spirituality and happiness.

This is a correlational study as the relationship between two variables are being measured.

c. A health psychologist randomly assigns people to meditate in the morning, at night, or not at all. After eight weeks, people rate their overall moods.

This is an experiment. Here, the independent variable is manipulated and its effect is tested on the dependent variable.

d. A cognitive psychologist sends out a questionnaire to all incoming students to determine their computer skills.

This is a self-report survey. A survey is referred to as a self-report that is used for research purposes as information regarding people are collected.

the reason the two sea urchins don't compete with each other for food, resources, etc. is because the urchins have adapted to the environment but they have also adapted to each other. this is most likely because the genes of the sea urchins.

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