lecture 5: chapter 3 statistics for psychology david wallace croft 2005 may 27 fri copyright 2005...
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Lecture 5:Chapter 3Statistics for Psychology
David Wallace Croft2005 May 27 Fri
Copyright 2005 David Wallace CroftThis work is licensed under the
Creative Commons Attribution License 2.0.
Quiz
• Please mute your mobile phones
• Write your name on a blank piece of paper
• Quiz will begin at 09:00
• When done, turn your paper over
• At 09:02, I will say, “Pens down”
• Writing after “Pens down” is cheating
• Pass your quizzes to your left
Outline
• Announcement
• Chapter 3 Slides
• Emphasis
• Homework
• Exam Review
• Next Class
• Questions
Announcement
• Dallas Area Neuroscience Group• Chapter of the Society for Neuroscience• www.SfNDANG.org
• Dr. Philip Boyer, UT Southwestern• “Neurodegenerative Diseases of the CNS:
Overview of Neuropathology & Research Approaches”
• 2005 May 27 Fri 16:00• GR 3.302
Chapter 3
Correlation
Aron and Aron, “Statistics for Psychology”, 3rd Ed., 2003.
Emphasis
• Francis Galton (1822-1911)• Eugenics (1865)• Inverted U• Cross-product vs. dot product• Average of cross-products of Z scores• Pearson product-moment correlation
coefficient• Range of r• p < 0.05
Homework
• Chapter 3• Set 1, Problems 1 and 2• Do the rest
• From raw data, you should know how to– Plot a scatter diagram– Compute the correlation coefficient
Exam Review
• 10 points total on the exam (10%)• 50 questions• 10/50 = 0.2 points/question (0.2%)
Next Class
• Monday no class
• Memorial Day
• Wednesday
• Read Chapter 4 before class
• Quiz at start of class
• Exam will cover Chapters 3, 4, and 5
Questions
• Questions for Class?
• Post to e-mail list unless personal– http://egroups.com/group/utd-statistics
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