Lecture #1. Statistics: 1. A set of procedures and rules (not always computational or mathematical) for receiving large masses of data to manageable proportions and allowing
us to draw conclusions from those data. Dynamic vs Static field. 2. Used in place
October 4th, 2013
Central Tendency and Variability
Central Tendency
".the descriptive statistic that best represents the center of a data set, the particular
value that all other data seem to be gathered around." (p.80)
Three measures
mean: the arithmet
HEADER: Sleep Quality & Measures of Self Control
1
Sleep Quality, Measures of Self Control and Procrastination
Variables: Sleep Quality, Morningness/Eveningness, Self Control, Procrastination and Sleep
Quality
HEADER: Sleep Quality & Measures of Self Cont
RunningHead:PERSONALMEANING&WELLBEING
Personal Meaning & Well Being
Personal Meaning & Well Being
1
HEADER:PERSONALMEANING&WELLBEING
2
Personal meaning and well being are commonly thought to have a strong correlation with
each other. Personal meaning is o
Regression
regression
builds on correlation
the difference is a question of prediction vs. relation
simple linear regression
".a statistical tool that lets us predict an individual's score on a dependent variable from
his or her score on one independen
HEADER:PERSONALMEANING&WELLBEING
1
Abstract
This experiment was conducted in order to observe whether there was any relationship
between personal meaning and well being, by operationalizing the constructs using psychometric
instruments. There were a total
September 20th, 2013
Introduction to Statistics and Research Design
2 Branches of Statistics
Descriptive
condense and organize numerical observations
summarize
Inferential
allow inferences and generalizations from sample to population
can calculate th
November 15, 2013
Chi-Square Tests
Distributions and Critical Values
if null hypothesis is true (r=0.00)
From the correlation lecture.
step 6: make a decision
obtained r= -0.85 > critical r= -0.63
reject the null hypothesis
When to Use Nonparametric T
November 1, 2013
Correlation
Defining Correlation
co-variation or co-relation between 2 variables
o these variables change together
usually scale (interval/ratio) variables
o Pearson
correlation does NOT mean causation
Correlation Coefficient
".a statis
September 27th, 2013
Distributions and Graphing Data
Terminology
".a data point that has not yet been transformed or analyzed." (p.24)
Frequency Distribution
".describes the pattern of a set of numbers by displaying a count or proportion for each
possib
September, 6th 2013
Epistemology
Epistemology
Schick and Vaughn (2010, p.5)
o "What is knowledge?"
o
"What are the sources of knowledge?
o
"What is truth?"
o
"Can we acquire knowledge of the external world?"
o
"Under what conditions are we justified in b
October 18th, 2013
Normal Curve and Z-Scores
Modern Normal Curve
".a specific bell-shaped curve that is unimodal, symmetrical and defined
mathematically" (p.130)
Standardization, Z Scores, and the Normal Curve
".converts individual scores to standard sc
Stats Review
Chapter1
operational definitions: operations or
procedures used to measure or
manipulate a variable
descriptive stats: organize, summarize
& communicate a group of numerical
observations
inferential stats: use sample data to
make general esti
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