Essay about 2301 Final Exam Workbook 2

6488 Words Oct 31st, 2014 26 Pages

Objective 1.1

Define psychology.

Key Terms

Psychology- scientific study of behavior and mental processes


1. Put a check mark by each statement that is true regarding psychology.
_√____ Psychologists study human behavior.
_√____ Psychologists study animal behavior.
_ √___ Psychologists study emotions and mental processes.
_____ Psychology and "common sense" lead to the same conclusions about behavior and mental processes.
_____ Psychology is not a science.

Objective 1.2

Define the scientific method, and explain how it is used in psychology.

Key Terms

scientific method


1. What is the main purpose of the scientific method?

2. The steps of the scientific method are (1)
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The researchers discovered that participants who were deprived of sleep for 48 hours recalled less than those who had been forced to remain awake for 24 hours.
1a. What is the independent variable?_____________________________________________
1b. What is the dependent variable?_______________________________________________
1c. What is the control group?____________________________________________________
1d. What is/are the experimental group(s)?__________________________________________

3. Why is random assignment critical to the experimental method?

Objective 1.7

Explain the rationale behind placebo-controlled experiments.

Key Terms

placebo double-blind technique placebo effect experimenter bias


1. Why do researchers use placebos and double-blind designs?

2. Read the scenario and answer the questions.

Sam's psychology professor, Dr. Smith, recruited him to serve as a research assistant. Sam's job was to teach study participants a new strategy for studying textbook material. Experimental group participants were supposed to be taught the new strategy, while control group participants were to be told that they could increase their test scores by holding their textbooks at a particular angle when reading. Each group was allowed to practice the techniques they were taught on a chapter in a psychology textbook, after which Sam tested them over what they had studied. Dr. Smith was surprised to

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