the use of statistics in
psychology
statistics
Essential
Occasionally
misleading
Two types
Descriptive
mathematical
summaries of results
Inferential
statements about large
populations derived from small
samples
Descriptive statistics
Measures of the

Research Methods
It is actually way more
exciting than it sounds!
Why do we have to learn this
stuff?
Psychology is first and foremost a science.
Thus it is based in research.
Before we delve into how to do research, you should
be aware of three hurdles t

Chapter One
Introduction
to Statistics
Chapter One Goals
Why researchers learn statistics.
The general purpose of statistical
procedures.
The basic math thats needed.
Some Commonly Asked
Questions about Statistics
What are Statistics?
Statistics refers to

Chapter 11 Review
1. When is a t-test used instead of a z-test?
a. When the population is known
b. When the population deals with two samples
c. When the population standard deviation is known
d. When the population standard deviation is unknown
ANS: D
DI