PSYC 218 Assignment 5 Single Sample Hypothesis Testing
This assignment focuses on single sample hypothesis testing (i.e., z test, Students single
sample t test). You should review Chapter 6 of the SPSS Guide before trying to complete this
assignment. Note
PSYC 218 MIDTERM 1 (40 MULTIPLE CHOICE QUESTIONS)
Topic
Chapter
Frequency Distributions: Statistical Tables
and Graphs
2
7
3
Measures of Central Tendency and Scales of
Measurement
3
6
4
Measures of Variability: How Different are
the Observations?
4
7
3
Th
Binomial Distribution:
1. a series of N trials
2. only two possible outcomes on each trial
3. mutually exclusive outcomes on each trial
4. independence between outcomes on each trial
5. prob . of each possible outcome on any trial staying constant from tr
Student Name:
Student Number:
Section Number:
PSYC 218 Assignment 2 Correlation
This assignment focuses on correlation. You should review Chapter 3 of the SPSS Guide before trying to
complete the assignment. Use the SPSS file 218 Survey Data TO POST.sav t
Midterm 1 Practice Exam
1.
Marys percentile rank on a math exam was 60 while Sues percentile rank was 30 on the
same exam. We may say, therefore, that
a. Mary correctly answered twice as many items as Sue did.
b. Marys math achievement is double that of S
OPTIONAL COMPUTATIONAL EXERCISE FOR MIDTERM 2
PSYC 218 SECTIONS 005/006 2011-2012 TERM 2
PROFESSOR HALL
This exercise covers material in Chapters 8 11 of the Text. Answers are provided at the
end. Answers may be discussed at the optional review session to
Chapter 5:
The Normal Curve and
Standard Scores
A. The Normal Curve
important in the behavioural sciences
1. many variables are normally distributed
height, weight, intelligence, achievement
2. many statistical tests have sampling distributions
that bec
Psychology 218 Section 003 and 004
ANALYSIS OF BEHAVIOURAL DATA
Dr. Linda Scratchley
Course Information
Section 3:
Mondays, Wednesdays, and Fridays 12:00 12:50 p.m. in AERL 120
Section 4:
Mondays, Wednesdays, and Fridays 1:00 1:50 p.m. in AERL 120
Website
Student Name:
Student Number:
Section Number:
Assignment 1 Introduction to SPSS: Descriptive Statistics
This assignment will give you an opportunity to practice calculating and interpreting descriptive
statistics using SPSS. You should review Chapter 1 an
Descriptive and inferential
Descriptive Statistics: techniques used to describe or characterize data-> easily
digestible
Inferential Statistics: use of obtained sample data to make predictions about the
population
How did we acquire knowledge before sta
OPTIONAL COMPUTATIONAL EXERCISE FOR MIDTERM 1
PSYC 218 SECTIONS 005/006 2011-2012 TERM 2
PROFESSOR HALL
This exercise covers material in Chapters 1 7 of the Text. Answers are provided at the
end. Answers may be discussed at the optional review session to
Assignment 1 Introduction to SPSS: Descriptive Statistics
This assignment will give you an opportunity to practice calculating and interpreting descriptive
statistics using SPSS. You should review Chapters 1 and 2 of A Student Guide to SPSS"
before trying
PSYC 218 Assignment 4 Sign Test
This assignment focuses on introducing you to hypothesis testing using the sign test. You
should review Chapter 4 of the SPSS Guide before trying to complete this assignment. Use the
SPSS file Assignment 4 data.sav to compl
Chapter 1:
Statistics and the Scientific Method
1
A. Definitions
population: the complete set of individuals, objects,
or scores that you are interested in studying
sample: a subset of the population
2
variable: any property o
Chapter 14: Student's t
Test for Correlated and
Independent Groups
Psych 218
Dwayne K. Hamson
Introduction
Major drawback of the single sample
design- we need to know a population
parameter (i.e., the mean)
This is often never the case.
Need an alterna
Chapter 9: Binomial
Distributions
Psychology 218
D. K. Hamson
Probability As An Area
So far the probabilities have been for discrete events, with finite sample
sets
Recall: we can also consider probability as the area under the standard
normal distributio
Correlation
Ch. 6 Psych 218-951
D.K. Hamson
LearningObjectives
Recognize linear relationships from a scatterplot;
specify the equation for a straight line; calculate
slope and intercept.
Define correlation coefficient and Pearson r;
Calculate Pearson r us
Chapter 4:
Central Tendency and Variability
1
we often want to describe characteristics of
distributions quantitatively
A. Central Tendency
3 commonly used measures
1. The Arithmetic Mean
the sum of the scores divided by the number
Psych 218 Lecture 2
LearningObjectives:
Variability: understand and calculate
standard deviations using two different
methods.
Zscores:understand their utility.
AreaUndertheCurve(AUC):what is it and
how can we use it to our advantage.
1
Variability
2nd
Chapter 8: Random
Sampling and
Probability
Psych 218
D. K. Hamson
Main Learning Objectives
1. Define sampling with replacement,
sampling without replacement, a priori and a
posteriori probability.
2. Define the addition and multiplication
rules, and solve
Chapter 8:
Random Sampling and
Probability
1
so far: descriptive statistics
now: inferential statistics
using sample scores to make statements about a
characteristic of population
hypothesis testing
parameter estimation
Chapter 11:
Power
1
limits the prob. of Type I error
is the prob. of Type II error
+ power = 1
power = 1
so we want power to be as high as possible in an
experiment
use our marijuana experiment and sign test to
illu
Chapter 10:
Introduction to Hypothesis Testing
Using the Sign Test
1
A. An Experiment: Marijuana and Reaction Time
hypothesis:
marijuana affects reaction time (RT)
randomly sample 10 university undergraduates
measure their R
Student Name:
Student Number:
Section Number:
Assignment 3 Regression
This assignment focuses on regression. You should review Chapter 4 of A Student Guide to SPSS" before
trying to complete the assignment. Use the SPSS file Assignment 3 Data.sav to compl
Psychology 218 Section 003, 004 & 005
ANALYSIS OF BEHAVIOURAL DATA
Dr. Linda Scratchley
Course Information
Section 3:
Mondays, Wednesdays, and Fridays 12:00 12:50 p.m. in AERL 120
Section 4:
Mondays, Wednesdays, and Fridays 1:00 1:50 p.m. in AERL 120
Sect
TB: Ch.7 Correlation
7.1 Some History
Bivariate distribution = a distribution that shows relation btwn 2 variables
7.2 Graphing Bivariate Distributions: The Scatter Diagram
Scatter diagram = graph of bivariate distribution consisting of dots at the point
Second Lecture
Chapter 4: central tendency
Describing Data:
Two statistics:
1) measure of central tendency
2) measure of
Central tendency: tells us what the sample is like on average (what is typical)
1) mean: obtained by adding all scores and dividing by
Introduction
Two types of Statistics:
Descriptive statistics: provides tools for organizing, simplifying and summarizing basic
info from a mass of data
- why need to summarize?
- >(ie, asking for average, central tendency of the class test to know around
Ch.5 Variability and standard scores
Variability: Characterizes the amount of spread in a distribution of scores
Range: Obtained by subtracting the lowest score from the highest score
- can be used with ordinal (ie take fastest person and slowest). interv