Psychology 5 Introduction to Statistics Spring 2015
Department of Psychological & Brain Sciences
University of California, Santa Barbara
Instructor:
Name: Dr. Kyle Ratner
Office: Psychology East 3814
Office hours: Tuesday/Thursday, 10:15-11:15am
Email: ky
PSY 5 Lab
Spring 2015
Ch. 10 + 11
Activity 1 (Ch. 10)
Independent samples t-test
A marketing researcher at Pepsi Corporation wants to
test the companys secret formula for a new and
improved Pepsi.
He gathers a random sample of 20 shoppers from a
local s
Chapter 4
Lecture 4
1
Announcements
Homework Ch. 3 & 4 due Monday
Make sure to check GS for slides and
lab handouts
Print the lab handout
Print double-sided or multiple slides per page to
save paper!
Lab section reminders
Lab# 1
Thurs
9
Chapter 5
Lecture 5
1
Announcements
Homework Ch. 3 & 4 due TODAY
Staple or clip all sheets together
Write your name, the name of your TA and lab #
on the top of each page
Place in correct pile at the front of the room
Scan or take pictures of yo
Chapter 8
(continued)
Lecture 8b
1
Announcements
No HW due today
HW ch. 8 + 9 due next Monday
Midterm scores posted on GS
Email me if you do not see your score
Office hours Tuesday or by appointment
if want to go over test
No office hours on Th
Chapter 6
Lecture 6
1
Announcements
Homework Ch. 5 due Monday
Scan or take pictures of your HW
Email it to yourself so it is timestamped
Midterm exam on 4/27
Review next week
Extra practice
Textbook problems not assigned for HW
www.aplia.com
PSY 5 Lab
Spring 2015
Ch. 5 + 6
Today
Answer questions about Ch. 3 + 4 HW
Activity 1 (Ch. 5)
z-scores
Activity 2 (Ch. 6)
Probability and the normal curve
Work on Ch. 5 HW
Activity 1 (Ch. 5)
z-scores
Computing and
interpreting z-scores
Assume = 5 and
Chapter 9
Lecture 9
1
Announcements
HW ch. 8 + 9 due on Monday
No office hours on Thursday
Lecture 9
2
5/6 Overview
Ch. 9
What have we done so far?
t-test for one sample mean
The sampling distribution of t
Comparing t and z
Critical v
Chapter 8
Lecture 8A
1
Announcements
No homework due MONDAY
Midterm exams are graded
Scores will be posted on GS
Come to my office hours if you
want to go over the test
Lecture 8A
2
Midterm exam results
Mean = 76%
Mode = 89%
Median = 8
Chapter 1 (contd)
+
Chapter 2
Lecture 2
1
Announcements
1st lab this week
1st HW assignment due on Mon
Please check GS
Are you getting my emails?
Textbook
Purchase the 8th ed with the green cover
No essentials in the title
Digital edition not avai
Chapter 3
Lecture 3
1
Announcements
Homework Ch. 1 & 2 due TODAY
Staple or clip all sheets together
Write your name, the name of your TA and lab
# on the top of each page
Place in correct pile at the front of the room
Lab# 1
Thurs
9:00
Chapter 16
Lecture 13
1
Announcements
Ch. 13 HW due today
Ch. 16 HW due next
WEDNESDAY (6/3)
You may skip sections 16.5 and 16.6
No Ch. 18 HW!
You will be responsible for the
Chi-square test on the final exam
skip section 18.6
Lecture 13
Formula Sheet for Final Exam
Effect size for a one sample t-test: r2
z-test for one sample mean
z=
M hyp
M
M =
n
Effect size for a one sample z-test: Cohens d
d=
r2 =
t 2 + df
t-test for two independent sample means
t=
M1 M 2
sM1M2
2
sdiff = s 2
p
s2
p
s
PSY 5 Lab
Spring 2015
Ch. 16
Activity 1 (Ch. 16)
Computing Pearson
correlation coefficient
Step 1: Research problem
Is the number of friends a person has (X)
correlated with loneliness (Y)?
Person
Friends
(X)
Loneliness
(Y)
A
0
12
B
1
6
C
2
9
D
3
5
E
4
PSY 5 Lab
Spring 2015
Ch. 8 (continued) + 9
Ch. 8 (continued)
Place the following terms and symbols in their
proper space in the table:
Type I Error, Type II Error, Power, Level of Confidence,
, 1-, , 1-
Actual Situation
Experimenters
Decision
Reject H0
F
PSY 5 Lab
Spring 2015
Ch. 3 + 4
Today
Answer questions about Ch. 1 + 2 HW
Activity 1 (Ch. 3)
Central tendency
Activity 2 (Ch. 4)
Variability
Activity 1 (Ch. 3)
Central tendency
Measures of Central Tendency
What is the purpose of obtaining
measures o
PSY 5 Lab
Spring 2015
Ch. 8
Activity 1 (Ch. 8)
Working with the z-statistic
Imagine that we did a study to determine whether
listening to music during a task would effect
performance on a cognitive task. Lets assume
that the known mean on this cognitive
Chapter 7
Lecture 7
1
Announcements
Homework Ch. 6 + 7 due MONDAY
Scan or take pictures of your HW
Email it to yourself so it is timestamped
Due same day as the midterm exam
HW good review for the midterm
Lecture 7
2
Announcements
No of
Lecture #3
October 13, 2014
Frequency Distributions
Types of frequency distributions
Making frequency tables and graphs
Percentiles, percentile ranks, and interpolation
Branches of statistics
Descriptive
Characterize attributes of
Lecture #8
Thursday, October 30, 2 014
9:40 A M
Binomial Distribution (Chapter 6)
Sampling Distribution (Chapter 7)
Distribution of sample means and probability
Standard error
The Binomial distribution
Binomial variables are t
Lecture Review
Monday, October 27, 2 014
10:11 PM
Lecture 6 Review
1.
What is the difference between independent and dependent variables?
Independent variables are what an experimenter manipulates
Dependent variables are what is
Lecture #12
Monday, November 17, 2 014
8:17 PM
http:/quizlet.com/4830732/psy10-flash-cards/
Last time.
Problem: 36 workers are switched to a compressed schedule ( 3 consecutive 13-hour
shifts). They rate their preference on a
Midterm Review
Thursday, October 30, 2 014
1:27 A M
Chapter 1: Introduction to Statistics
The relationship between populations and samples
Data Sources: There are two main sources of data
Population
The set of all individuals of inter
Neuroanatomy
Terminology
Nuclei- collection of cell bodies in the CNS
Ganglia- collection of cell bodies in the
PNS
Afferent- incoming axons/information
towards an area
Efferent- outgoing axons/information away
from an area
Contralateral- opposite side
Ip
Synapses, Receptors, & Ligands
Synapse
Synapse
the small space between the terminal button and the
neuron it is communicating with
Messages are carried by neurotransmitters (NT) that are
released by the terminal buttons
Produce postsynaptic potentials (PS