Week 1 Review
Due 6/11 by end of the day
1. Goodman and Greaves (2010) reported findings from the Millennium Cohort Study, a
large research project in the United Kingdom. They stated that "while it is true that
cohabitating parents are more likely to spli
Review Worksheet #1 - Ch. 1 & 2
Due 1/25 (by 11:59 pm CT)
Mahtaub Attarhousseini
Using Summation and Order of Operations (PEMDAS)
a) Given the following X values, find X2.
X
X2
3
9
6
36
1
1
9+36+1=46
X2=46
b) Given the following X values, find (X-4)2.
X
X
This study guide is a collection of problems from the end of the chapter exercises. If you
complete the items and understand the concepts, you will have no problem succeeding on the
exam. Plus, if you complete the study guide items that are in red font (s
PSYC 3301/Spring
2017
Regression; Chapter 12
WEEK 12
Key Terms and Concepts
Linear equations
Linear regression
Least-squares solution
Regression equation
Applications
Coefficient of determination
Assumptions
Linear regression vs. Correlation
Linea
PSYC 3301/Spring
2017
Analysis of Variance (ANOVA)
WEEK 10; Chapter 13
Key Terms and Concepts
ANOVA
The F statistic (F ratio)
Pseudo- or quasi-independent
variable
Logic of ANOVA
Factor
Degrees of freedom
Factorial design
F distribution
Single-fa
PSYC 3301/Spring
2017
Chi-square tests; Chapter 11
WEEK 13
Key Terms and Concepts
Parametric vs. Nonparametric tests
Three chi-square (2) tests
2 goodness of fit test
2 statistic for goodness of fit test
2 distribution
2 hypothesis test for goodness
PSYC 3301/Spring
2017
Effect size, power, confidence intervals
WEEK 08; Chapter 8
Key Terms and Concepts
Effect size
Power
Power analysis
Point estimate
Interval estimate
Confidence interval
Confidence level
EBM
Effect size
It is a quantitative m
PSYC 3301/Spring
2017
Hypothesis testing
WEEK 06b; Chapter 9
Key Terms and Concepts
Hypothesis test
Test statistic
Logic of hypothesis testing
Type I errors ()
Null hypothesis
Type II errors ()
Alternative hypothesis
Power (1-)
Critical region
S
Unit 2 Review Part 2
Due 1/29/17 by end of day
In a study of mentoring in chemistry fields, a team of chemists and social scientists identified the
most successful U.S. mentorsprofessors whose students were hired by the top 50 chemistry
departments in the
Before going over my homework, just know this. When I was plugging in all the data I collected
(11 children) I noticed that they all but two made A/Bs. So I dont believe this study would have
any external validity due to it all being similar. I tried to c
1) When using statistics, we can use the data we collect and notice patterns and
themes to conclude about a study or whatever they are researching. Without the
math and numbers that go into research, we wouldnt be able to see the changes or
even similarit
1) I hypothesize that the more extracurricular activities you are involved in then the more
likely you are to be doing well in school.
- I hypothesize that the more hours spent doing extracurricular activities then the more
likely you are to be struggling
22.48
76
81
14
6
5776
6561
196
36
12569
28.95%
114
0.253333
37
37
2
52
60
Column1
3
8
18
78
Column1
Mean
38
Mean
26.75
Standard E 17.36555
Median
13
Mode
#N/A
Standard D 34.73111
Sample Var 1206.25
Kurtosis
3.329915
Skewness 1.813339
Range
75
0
1
Maximum
Intro to Probability
Probability: is how likely an event will occur.
0 indicates that an event is
impossible.
1 indicates that the event will
occur every time.
.5 indicates that the event will
occur half the time.
Never negative!
Calculating probabili
Mahtaub Attarhousseini
Review Worksheet #2 - Ch. 4 Part A
Due 2/1 (by 11:59 pm CT)
Finding Sum of Squares (SS) for a Population
a) Given the following X values, find SS.
X
2
4
6
X-
-2
0
2
SS=(X-)2
Use the formula above to help you.
(X-)2
4
0
4
SS=_8_
2+4+
HW#3 Assignment (due Sat, 2/27 at 11:59 pm CT)
Please place a box around your final answer(s) for each question. ALL work must be shown
to receive full credit, even though it will be graded for completion. No late assignments
will be accepted. Remember, y
Mahtaub Attarhousseini
HW#1 Assignment (due Fri 1/29 at 11:59 pm CT)
Please place a box around your final answer(s) for each question. ALL work must be shown
to receive full credit, even though it will be graded for completion. No late assignments
will be
Mahtaub Attarhousseini
HW#2 Assignment (due Sat 2/6 at 11:59 pm CT)
Please place a box around your final answer(s) for each question. ALL work must be shown
to receive full credit, even though it will be graded for completion. No late assignments
will be
Mahtaub attarhousseini
HW#6 Assignment (due Sat, 4/23 at 11:59 pm CT)
Please place a box around your final answer(s) for each question. ALL work must be shown
to receive full credit, even though it will be graded for completion. No late assignments
will b
HW#7 Assignment (due Sat, 4/30 at 11:59 pm CT)
Please place a box around your final answer(s) for each question. ALL work must be shown
to receive full credit, even though it will be graded for completion. No late assignments
will be accepted. Remember, y
Research Paper Outline Example (for a Psychology paper)
I. Introduction
A. Topic: Prejudice and Social Influence
B. Issue: Social influences affect peoples view of one another.
C. Thesis: Prejudice is a social condition that can arise as a result of the c
Exam o1Phase 2: Research methods
Rationalism: acquiring knowledge through rational thoughts
Empiricism: acquiring knowledge through the collection of evidence.
o Must have evidence in science.
Science is the systematic system of acquiring knowledge throug
Why the Standard Deviation is More Useful for Symmetric Data?
One standard deviation above the mean would be 10.07 and one standard deviation below the mean
would be 7.37. However, 7.37 seems like more of an extreme or unusual value than the 10.07. A lot
Sample Pearson Correlation Example
Step 2: Find
deviations for both
variables by
subtracting the
respective mean from
each value.
Step 3: Find the
product of deviations
by multiplying the
deviations across the
rows.
Weight
(pounds)
:
:
:
)
(
)
(
)(
Question 1
0 out of 0.75 points
Time measured in seconds is which type of variable?
Selected Answer:
ordinal
Answers:
ordinal
interval
nominal
ratio
Question 2
0.75 out of 0.75 points
The number of times a person eats fast food a week is a scale variable.
Univariate Statistics Outline
This outline summarizes the phase 3 content that covers univariate descriptive statistics.
Descriptive statistics is the summarizing of data either in numerical or graphical form.
Univariate descriptive statistics is the anal
1. I crossed my age and gender data to see which I had more in the study. I could have
counted them but I felt it was valuable to learn how to do. There was a higher frequency
of females in my group compared to males.
Count of
grades
Column Labels
Row Lab