MIDTERM STUDY GUIDE
Know the difference between DESCRIPTIVE and INFERENTIAL statistics
DESCRIPTIVE statistics simply DESCRIBE a sample. In other words,
adding up numbers of
baskets made by the Bulldogs during a basketball game, or adding up a number of
people who attended the game
, would be examples of descriptive statistics.
DESCRIPTIVE statistics- are Procedures for organizing and summarizing data. Describe
the important characteristics of a data set.
How does any score compare?
Be able to identify DEPENDENT vs INDEPENDENT variables
DEPENDENT/INDEPENDENT – Psychological research wants to measure effect (s)
independent variable on dependent variable (the cause)
A nurse is measuring a person’s temperature one hour after taking one of two
medicines. She believes one medicine is more effective than another at reducing
fevers. What is the INDEPENDENT variable? (MEDICINE) – what is being
manipulated – is the medication
SEE QUESTION 15 in Assignment 1 – A nurse weighs who have been on either on
Weight Watchers or the Atkins Diet for 2 weeks to see which diet returns in the
Be able to identify NOMINAL, ORDINAL, RATIO, and INTERVAL Variables
-Simply categorizes or classifies information
(The name of your favorite meal (breakfast, lunch, or dinner) is an example of
which of the following scales of measurement)