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Unit 1 Assignment – 20 points
Chapters 1-4: Using the course text (Introduction to Psychology, by J. Kalat), answer True or False for each item. For any item you determine to be false, provide a brief explanation for why it is false (a fully composed sentence at the very least). Any items answered false that are not accompanied by an explanation will receive zero points.
_____ 1. Determinism is the assumption that everything that happens has a cause.
_____ 2. A clinical psychologist is the same thing as a psychiatrist.
_____ 3. Sigmund Freud was the first psychological researcher.
_____ 4. The earliest psychological researchers concentrated mostly on the causes of mental illness.
_____ 5. A cognitive psychologist is interested in the processes of thinking and acquiring knowledge.
_____ 6. Most dictionary definitions are operational definitions.
_____ 7. A case history studies a random sample of the population.
_____ 8. A correlation coefficient of -0.7 represents a stronger relationship between variables than a correlation coefficient of +0.5.
_____ 9. In an experiment on how coffee affects alertness, the amount of coffee would be the dependent variable.
_____ 10. Any ethical experiment on people begins by asking participants for their informed consent.
_____ 11. When you touch something, you don’t feel it until the message reaches your brain.
_____12. Most scientists agree that mind and brain are separate.
_____ 13. In some ways, the behavior of a split-brain person suggests two minds occupying the same head.
_____ 14. By age 5, you have all the neurons your brain will ever have.
_____ 15. Each behavior depends on a single gene.
_____ 16. Humans have an approximately equal number of rods and cones.
_____ 17. People see little or no color in the periphery of their visual field.
_____ 18. Normal human color vision requires having three types of cones.
_____ 19. “Hurt feelings” activate some of the same brain areas as physical pain.
_____ 20. A subliminal message to buy popcorn increases people’s likelihood of buying it.