Assumptions
Analysis of Variance
(Additional Slides)
Assumption for 1-Way ANOVA
PSYC3000 Design and Analysis in
Psychological Research
Each sample is a random sample from its
population.
Robust if violated
Independence of cases
Each case is not influenced
Factorial ANOVA
Characteristics
ANOVA: 2-Way & 3-Way
Two or more independent variables each with
multiple levels
PSYC3000 Design and Analysis in
Psychological Research
Zhigang Wang, PhD
Levels of both independent variable are fixed by
researcher
Participa
PSYC3000B
Assignment 1
Student
ID #
Nam
e
Points
A) Figure of Histogram (1.5 pt)
B) Table of Statistics (1.5 pt)
Format of Assignment (0.5 pt)
Timely Completion
TOTAL (out of 3 possible)
APA format (-1.0 pt)
Wrong Values (-0.5 pt)
APA format (-0.5 pt)
Wro
FACTORIAL ANOVA: BETWEEN-SUBJECTS
DESIGN
PSYC3000 Design and Analysis in
Psychological Research
Zhigang Wang, Ph.D.
Z. Wang
2
FACTORIAL ANOVA BETWEEN-SUBJECTS DESIGN
Two or more independent variables each with multiple
levels
Levels of both independent
A) Introduction
Psychological behaviourists have long suggested links between stimuli and particular
behaviours. With school shootings and terrorist activities becoming more prevalent, is the media
right to focus on the link between the mental states of p
Part A: Introduction
The data investigated in this document was collected to draw inferences as to whether parental
situation (i.e. marital situation, or early loss of a caregivers life) of a childs/young adults
parents has any effect on their psychologic
A) Introduction
In the United States half of the citizens are considered to be medically overweight. Since being
overweight is a negative characteristic in the health industry that can be associated with poor
exercise and diet choices it may cause doctors
A) Introduction:
In the United States half of the citizens are considered to be medically overweight. Since being
overweight is a negative characteristic in the health industry that can be associated with poor
exercise and diet choices it may cause doctor
Introduction
Childhood can be a traumatic time and with children being vulnerable much of this trauma can
be due to familial situations. In order to investigate how familial circumstances may effect a
childs life as an adult Mireault gathered data on 381
Testing Statistical Hypotheses
about When Is Known
T tests (Chapter 7)
We have made use of the z distribution
(the standard normal distribution) to do
hypothesis testing
z
PSYC3000 Design and Analysis in
Psychological Research
Zhigang Wang, PhD
X
X
What
06/06/2015
When And Why
Analysis of Variance
Chapters 11 & 12
When we want to explore whether the effects
of different treatments on the dependent
measure, we use
PSYC3000 Design and Analysis in
Psychological Research
t-test
Zhigang Wang, PhD
can compare
General Linear Model (GLM)
Correlation & Regression
(Chapters 9 & 10)
PSYC3000 Design and Analysis in
Psychological Research
GLM is the conceptual framework unifying a
large set of statistical methods
GLM can answer almost any question if the
DV (outcome)
Z. Wang
1
INTRODUCTION
PSYC3000
Design and Analysis in Psychological
Research
Zhigang Wang, PhD
Z. Wang
2
STATISTICS COURSES
Why are statistics courses required?
Conduct research for students theses or dissertations
Design experiments
Empirical questi
PSYC 3000
Design and Analysis in Psychological Research
Professor: Zhigang Wang, PhD
TA: Jackson Chafe: jacksonchafe@cmail.carleton.ca
First hour of classes: Tutorial/Lab on SPSS and assignments
Zhigangs Rules:
1. Here to help not to scare
2. Educate not
Which is an example of each kind of measurement scale?
Nominal, Ordinal, Interval, Ratio
a) Brand of chocolate bars preferred. (Nominal)
b) The finishing order of a group of runners. (Ordinal)
c) Prison inmates are rated from 1 to 5 on each of 20 behavior
Fundamental Concepts will be on midterms and final
Descriptive statistics summarize and describe group of numbers (mean, median, mode)
Inferential statistics try to infer information about population using information gathered by sampling
(when you genera
Rambling About Assignment 2
Assignment: step 4 chose sqrt or log, whichever fits best.
In figure 1 dont have the lines behind or the title above, title below.
Know how to do a nice apa figure in excel and spss!
Classes 2-6 = Midterm (Nothing in class 1 wi
Probability (Chapters 3 & 5)
* there will be few questions on the exam with calculations beyond what we touch on today, If you can
solve all the questions in the lecture note and in class worksheet wont have a problem with exam
question *
Statistical infe
Fundamental Concepts will be on midterms and final
Descriptive statistics summarize and describe group of numbers (mean, median, mode)
Inferential statistics try to infer information about population using information gathered by sampling
(when you genera
Material to appear on PSYC3000CD Final Exam
In a paper by Lee and Schwarz (Washing Away Postdecisional Dissonance, Science 328:709,
2010), participants rated 10 CDs in order of preference. They were then told they could pick one
of the CDs to keep as a gi
ANOVA
PSYC3000 F/W 12-13
Week 14 - Simple ANOVA I
1
ANOVA
ANOVA involves a characteristic way of thinking and
talking about the results of observation
To begin discussing ANOVA, it is useful to look
again at the independent-samples t-test and to
begin tal
A) Introduction
In this paper we will reinvestigate a classic psychology study conducted by Sternberg in 1966 on
searching short-term memory. Participants sat in front of a screen and a target number (TN)
appeared, then a number set (NS) was presented, th