PSY 520 TOPIC 1 EXERCISE, CHAPTER 1 TO 4 ANSWERS

PSY 520 Topic 1 Exercise (Two Different Solutions) CHAPTER ONE 1.8: Indicate whether each of the following studies is an experiment or an observational study. If it is an experiment, identify the independent variable and note any possible confounding variables. PSY 520 TOPIC 1 EXERCISE, CHAPTER TWO 2.14: (a) Construct a frequency distribution for the number of difference residences occupied by graduating seniors during their college career, namely 1, 4, 2, 3, 3, 1, 6, 7, 4, 3, 3, 9, 2, 4, 2, 2, 3, 2, 3, 4, 4, 2, 3, 3, 5 (b) What is the shape of this distribution? 2.17: Are there any conspicuous differences between the two distributions in the following table (one reflecting the ages of all residents of a small town and the other reflecting the ages of all U.S. residents)? (a) To help make the desired comparison, convert the frequencies (f) for the small town to percentages. (b) Describe any seemingly conspicuous differences between the two distributions psy 520 topic 1 2.18: The following table shows distributions of bachelor’s degrees earned in 2005–2006 for selected fields of study by all male graduates and by all female graduates. PSY 520 TOPIC 1 EXERCISE, CHAPTER THREE 3.13: Garrison Keillor, host of the radio program A Prairie Home Companion , concludes each story about his mythical hometown with “Tha