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1 | Page PSYC 6300 001/PSYC 5389 001 STATISTICAL MEDIATION ANALYSIS FALL 2009 I BASIC INFORMATION Instructor: Dr. Lauri Jensen‐Campbell Office: LS 406 Phone: 817‐272‐5191 (please no voicemail) E‐Mail: [email protected] u Office hours: Tuesday 10‐10:50A; Thursday 2‐3 or by appt. Meeting time: Tuesdays and Th ursdays 12:30‐1:50P II PURPOSE Course Description: This course is intended to provide a graduate level overview of statistical mediation analysis as a general data‐analytic technique. The course will emphasize the conceptual underpinnings of the techniques rather than mathematical computations. Students should already be familiar with general linear models and moderated multiple regres sion. Indeed, if you have not taken PSYC 5389 (Moderated Multiple Regression) with me or the new PSYC 5406/5407 sequence (with Dougall/Ewen /Jensen‐Campbell), it is advisable that you sit in on the new PSYC 5406/5407 sequence before taking this seminar. Course Learning Goals and Objectives: Th is course is designed to provide hands‐on experience in conducting statistical mediation an a ly sis with SPSS‐X (PASW) and AMOS. Students are also encouraged to try to work out problems in LISREL and EQS. Computer applications of the statistical techniques that are covered will be emphasized. Homework exercises will be included to illustrate designs, analyze data, and provide experi ence in writing in APA style. Of course, it is impossible to touch upon all of statistical issues related to statistic al mediation analysis. However, in combination with the readings, we will obtain an overview of the basic statistical techniques used in these anal yses. III COURSE REQUIREMENTS REQUIRED TEXTS/MATERIALS MacKinnon, D.P. (2008). Introduction to Statist ic al Mediation Analy sis. New York: Lawrence Erlbaum Associates. SPSS‐X (or PASW) GradPack, which includes AMOS: You can purchase this pack at the UT Arlington computer store (4‐year license) or you can buy a shorter license for 6 or 12 months at http://www.e‐academy.com/. ADDITIONAL REQUIRED READINGS There will be addition al re qu ired readings assigned through out the semester that are not part of your required textbook. 2 | Page Students can also try assignments in LISREL, EQS, or MPlus (freeware versions available at http://ssc.ut ex as.edu /world /sta t/F reewa re.htm l). LISREL student versi on (free download at http://www.ssicentral.com/lisrel/student.html) AMOS student versi on (free download at http://amosdevelopment.com/download/). EQS st udent version (http://www.mv soft.com /demos.htm) MPLUS (http://www.statmodel.com/demo.shtm l) RECOMMENDED READINGS OR WEBSITES David Kenny’s Website: http://d avidakenn y.net/k enny.htm Preachers Papers and Pr ogram s : http ://www.people.ku.edu /~preacher/ MacKinnon’s Website for Mediation: http://www.public.asu.edu/~davidpm/ripl/mediate.ht m Dr. Alan Reifman’s SEM Course: ht tp://reifman ‐sem.blogspot.com/ STRONGLY RECOMMENDED CLASSROOM MATERIALS Bring your laptop or netbook to work on ex amp les in class (can shar e with classmate if they agree). EXAMS (PSYC 5389 STUDENTS ONLY) There will be two examinations. Both exams will be entirely take‐home. In addition, you will be required to write up your answers in APA st yle. HOMEWORK (ALL STUDENTS) It is critical that you learn how to conduct and interpret mediation analyses using computer software. The purpose of the homework assignments is to ensure that you are capable of carrying out the anal yses discussed in class and that you are able to interpret these analyses. Your answers will not be formally graded, and an answer sheet will be provided when the exercise is turned in. Your responses will be assigned a number from 0 to 5 with 5 being the highest and 0 being reserved for assignments that were not turned in. To achieve the full 5 points, you must provide a clear, correct answer that is conveyed in a professional manner fitting of graduate level work. Each homework assignment will be completed by the following week in which it assigned. No late assignments wil l be accepted. PROJECT (ALL STUDENTS) You will be required to find a data set related to your field of study that can be analyzed using statistical mediation analysis procedures. That is, you are to either use your own data or data available through an advisor or th rough a public archive (e.g., http://www.icpsr.umich.edu/). The purpose of the paper is to provide 3 | Page hands‐on expe rience in conducting these analyses and int erp ret ation within your researc h area. A 10‐15 page, stapled write‐up in APA style is due on the day listed on your syllabus. The paper will include all sections required in an APA paper (i.e., title page, abstract, introduction , method, results, discus sion, references, tables, and figures). Statistical printouts sh oul d be included in an appendix. Projects not written in APA style will be penalized a LETTER GRADE. You are also expected to give a brief presentation (5‐7 minute) on your project during the last week of class. III POINT DISTRIBUTION AND GRADING POLICY PSYC 5389 STUDENTS Homework (5 points apiece - 10 Assignments) 50 Paper/Presentation 100 Class Participation/Quizzes 50 Midterm 50 Final 50 ---------------------------------------------------------------------------- Total 300 PSYC 6300 STUDENTS Homework (5 points apiece - 10 Assignments) 50 Paper/Presentation 100 Class Participation/Quizzes 50 ---------------------------------------------------------------------------- Total 200 GRADING 90% ‐ up A 80%‐89% B 70% ‐79% C 65‐69% D Below 65% F 4 | Page V COURSE OUTLINE I reserve the right to modify the schedule and assignments based on how the course is proceeding. If I feel that you are not reading, I may also introduce weekly quizzes as well. Wk Date Lecture Topic Reading Assignments (Additional Readings will be added throughout the semester) Lab Exercises/Assignments Assignment Due Theoretical Background & Regression Models 1 T 8/25 Introduction to Statistical Mediation MacKinnon – Chapter 1 MacKinnon, Fairchild, & Fritz (2007) Baron & Kenny (1986)


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