Essay about 2301 Final Exam Workbook 2 - 6510 Words

CHAPTER 1: INTRODUCTION TO PSYCHOLOGY Objective 1.1 Define psychology. Key Terms Psychology- scientific study of behavior and mental processes Exercises 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 Exercises 1. What is the main purpose of the scientific method? 2. The steps of the scientific method are (1)†¦show more content†¦2. Each bag of MMs has candies of several colors. Thus, the three red MMs that Barry took out of his bag (are/are not) a representative sample. 3. Why are researchers concerned about the representativeness of the samples in their studies? a. They dont want to offend anyone. b. They hope to generalize the findings of their studies to populations of interest. c. Representative samples are usually large enough to ensure statistical significance. d. Scientific journals will not publish a study unless the sample is representative. Objective 1.6 Describe the experimental method, state its advantages and disadvantages, and distinguish between independent and dependent variables. Key Terms experimental method causal hypothesis independent variable dependent variable experimental group control group random assignment Exercises 1. What is the primary advantage of the experimental method? 2. Read the scenario and answer the questions that follow it. In a laboratory study of sleep deprivation, researchers employed a variety of techniques to keep volunteers awake for variable amounts of time. One group of participants was kept awake for 24 hours, and the other was kept awake for 48 hours. During periods of forced wakefulness, participants were required to engage verbal learning tasks such as memorizing the definitions of obscure English words. At the conclusion of the period of forced wakefulness, participants were allowed to sleep for as