Transcript PSY 211 - Michael Hoerger

PSY 211
Introduction to Psychology Statistics
- - Welcome - -
Welcome to PSY 211
Psychology Statistics
w/ Mike Hoerger
• Grab a syllabus and a bundle of note cards
• Count that there are at least 15 note cards
• Please sign and fill out the final page of the
syllabus and return it to me at the end of
class
Overview
• Syllabus: Last Page
• Background Information
• Review Syllabus in Detail
• Trivia Game
• Homework Assignment 1
– Due a week from Wednesday
Syllabus - Last Page
• Your information helps me choose relevant
examples so the course is more helpful
• My information:
– Hoerger rhymes with burger
– Clinical Psychology: personality,
emotion, assessment
– Summer activities
– Graduate of MSU, originally from Midland
– Questions?
Why do I have to take this?
• Learn to use numbers to describe people
and predict behavior
• Psychology, sociology, social work,
economics, health, medicine, zoology,
epidemiology, philosophy, education,
criminology, political science, athletics
• Conduct research, consume research,
and apply statistics to everyday life
Why conduct research?
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Curiosity about people
Advancing knowledge
Improving lives
Getting a good job
Getting into graduate school
Fame or infamy
Money
What if I’m not
cut out for research?
What if conducting
research bores me?
Consuming research
• Most jobs require people to keep up on
information, including recent research
findings. If you can’t draw the correct
conclusions, you may get fired.
• Read articles and books to help yourself,
family, friends, coworkers, clients
• Fulfill your curiosities
What if I dislike research, hate
knowledge, have no intellectual
curiosity, hate reading, and have
no interest in helping
other people?
Apply statistics to everyday life
• TV: sports, game shows, detective shows,
the news
• Draw reasonable
conclusions about
people based on
limited information
Syllabus
• Course web site, e-mail, office hours
• Course materials
– Book 
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Course description
Typical Class
Special needs
Cheating
Grades
• Grades in this course will be based largely
on effort. What you put in, you will get out.
• “We maximize choice and enhance power
by deciding for ourselves how much is
good enough in each and every activity we
engage in. We all have the inalienable
right to waste our potential.” –Kaufman
• Recommendations
Grades
1,000 points total
C to advance
e.g. 727 points = 72.7% = CExams…………….…….50%
Homework……….……..35%
Term Paper…….………10%
Applied Participation……5%
Exams
• 5 x 100pts = 500pts = 50%
• 5 regular exams; 1 make-up exam, which
is a cumulative final
• No additional make-up exams
• Specific exam format will be announced
one class prior to the exam
Homework
• 10 x 35pts = 350pts = 35%
• 10 regular assignments; 2 make-up
assignments near the end of the year
• No late assignments
• Due dates announced in class; at least
one week per assignment
Term Paper
• 1 x 100pts = 100pts = 10%
• We will conduct a classroom research
project to generate a large date file
• You will analyze a subset of the data that
interest you
• Write-up the report in APA format
(Abstract, Method, Results, etc.)
Applied Participation in Psych
• 5 hours = 50pts = 5%, all or none
• Any combination of…
• Research participation through Sona
• Read + review thought-provoking research
articles I’ve posted on Bb
• Anything else approved by me in advance
(interview, advocacy, observation, etc)
Extra Credit
• 50 points of extra credit based on pop
quizzes at my discretion
• More likely when attendance is low
Weekly Question Cards
• Used to determine borderline grades
• Name, date, and a good question
• One per week, on time, on note card
Course Calendar
• Will be updated continuously
• Links to lecture notes and assignments
• Dates of assignments and readings may
fluctuate
Statistics Trivia Game
and
Discussion
1 of 15: Diagnostics
A CMU student comes to
the psychology clinic for a
psychological evaluation
due to poor grades,
feeling distracted while
studying, and trouble
paying attention in class.
What’s the most likely
diagnosis?
Learning
Disorder
ADHD
Anxiety
2 of 15: Athletics
If halfway through the
season the Detroit
Pistons basketball team
has won 85% of their
games, what will likely be
their win
percentage
at the end of
the year?
73%
79%
85%
3 of 15: Children
Among children, what is
the correlation between
sugar consumption and
hyperactivity?
r = .00
none
r = .30
modest
r = .60
strong
Candy for the Winners
4 of 15: Medicine
Compared to others in
their age group,
physicians are more likely
to abuse what drug?
Alcohol
Vicodin
Cocaine
5 of 15: Cognitive Psychology
What’s the correlation
between self-reported
level of attention
problems and actual level
of attention problems
measured by an attention
test?
r = .00
none
r = .30
modest
r = .60
strong
6 of 15: Personnel Selection
What’s the correlation
between success in a job
interview and success on
the job?
r = .00
none
r = .20
mild
r = .40
modest
Candy for the Winners
7 of 15: Romance
Using judges’ ratings,
how highly does a
person’s level of
attractiveness correlate
with that of their romantic
partner?
r = .10
weak
r = .40
modest
r = .70
strong
8 of 15: Dentistry
What’s the correlation
between a dentist’s
judgment that a cavity is
present (based on x-rays)
and the actual presence
of a cavity?
r = .40
modest
r = .60
strong
r = .80
very
strong
9 of 15: Pregnancy
What’s the correlation
between at-home
pregnancy test results
and whether or not the
woman is actually
pregnant?
r = .40
modest
r = .70
strong
r = .95
near
perfect
Candy for the Winners
10 of 15: Diagnostics
How well do scores on a
memory test identify level
of dementia?
r = .00
none
r = .30
modest
r = .60
strong
11 of 15: College Recruitment
What’s the correlation
between ACT scores and
college
GPA?
r = .00
none
r = .20
mild
r = .40
modest
12 of 15: Emotion
3
On a scale from 1 (not happy)
to 7 (very happy), how happy
are people two months after
being dumped?
1
Not
Happy
4
7
Very
Happy
4
5
Candy for the Winners
13 of 15: Diagnostics
A young, distressed
mother brings her 5-yearold daughter to the
psychology clinic for an
evaluation because her
daughter has been having
delusions, hallucinations,
and crying spells. What
is the likely diagnosis?
Depression
Schizophrenia
Child
Abuse
14 of 15: Physical Therapy
What’s the correlation
between self-efficacy
scores and successful
physical rehabilitation?
Waterboy,
You can do it!
r = .00
none
r = .30
modest
r = .60
strong
15 of 15: Pharmacology
What treatment has
helped to treat depression,
anxiety, erectile
dysfunction, pain, ulcers,
warts, bedwetting, arthritis,
malignant tumors,
diabetes, narcotic
withdrawal, insomnia,
colds, inattentiveness, and
heart attack?
Lipitor
Zyprexa
Zoloft
Candy for the Winners
Homework #1
• Today’s goal: question assumptions, be
curious, use statistics
• Read the instructions for HW#1 and ask
me about it next time
• For the homework, come up with 5
questions you want to know about people
• I’ll choose the best questions, and we’ll
have participants (friends, family) take the
survey online