The Joy of Sex Stats

Outline of Today’s Discussion 1.Introduction 2.Exercise in Frequency Distributions

Part 1 Introduction

Introduction: About Me Fairleigh Dickinson University, B.A., Psychology, 1993 Brown University, M.Sc., Experimental Psychology, 1995 Brown University, Ph.D., Experimental Psychology, 1997 Columbia University, Postdoctoral Fellow, Denison University, Psychology Faculty, 2001

Introduction: Tech Check SPSS Excel Blackboard S-Drive TED-Edhttp://ed.ted.com/

Introduction: Some Themes 1.Experimental versus Non-Experimental 2.Independent versus Dependent Variables 3.Similarities (correlations) vs Differences 4.Central Tendency versus Dispersion 5.Significant Effects versus Chance Effects

Introduction: Some Themes 6.Types of Measurement Scales (ranks) 7.Normal (bell) vs Non-Normal Distributions 8.Parametric vs Non-parametric Tests 9.Descriptive versus Inferential Statistics 10.Type I versus Type II errors (statistical power)

Introduction: Some Themes 11.Between-Subjects versus Within-Subjects Designs 12.Single Factor vs Factorial (Multi-factor) Designs 13.Reliability versus Validity 14.Ratios! Ratios! Ratios!

Introduction: Some Themes Assignment 1 For Next Session: –each student should write down three ratios from everyday life. –Here are some examples: –Grade = Points Earned / Points Possible –Batting Average = # of Hits / # of Times at Bat –Be prepared to share these with the class on Tuesday. Be creative! (No cheezy ratios.)

Introduction: TED-Ed Practice Assignment 2 For Next Session: –Complete the sample TED-Ed Lesson entitled “Tips for Studying Effectively – Lesson 1” –The link is available in Blackboard  Course Documents

Introduction: About You Student Names & Student Interests

Introduction: Your Presentation Each student will present any psyc article of their choosing. -15 minute presentation -5 minutes for Q&A -12 to 18 slides suggested -APA Style -Can relate to senior research -Not for a grade -I will provide oral feedback -Post PPT to S-drive “Work Area” by 7 PM on evening before talk Student Presentation Schedule DateStudent 9/7Blank, Melanie E. 9/14Datsko, Sara M. 9/21Fiore, Hannah M. 9/28Gunter, Rebekah G. 10/5Jude, Shelby M. 10/12Krumholtz, Victoria G. 10/19Marsh, Jacob A. 10/26Osborne, Karen J. 11/2Ramirez, Vanessa 11/9Vecchio, Gabrielle R.

Part 2 Exercise in Frequency Distributions