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StatPac For Windows Users Manual - H ;sk ;linn ; ….doc
StatPac For Windows
Users Guide
By StatPac Inc.
StatPac For Windows software and manual
Copyright ? 1999-2004 by StatPac Inc.
All Rights Reserved.
StatPac Inc.
4425 Thomas Ave. S.
Minneapolis, Minnesota 55410
ISBN 0-918733-12-X
StatPac? is a registered trademark of StatPac Inc.
Contents
Introduction 1
Overview 1
System Requirements and Installation 2
System Requirements 2
Installation 3
Removing the Software from a Local Computer 4
Network Operation 4
Updating to a More Recent Version 5
Backing-Up a Study 6
Processing Time 7
Server Demands and Security 7
Technical Support 8
Notice of Liability 9
Paper Pencil and CATI Survey Process 9
Internet Survey Process 10
Basic File Types 10
Codebooks (.cod) 10
Data Manager Forms (.frm) 10
Data Files (.dat) 10
Internet Response Files (.asc) 11
E-Mail Address Lists (.lst) 11
E-Mail Logs (.log) 11
Rich Text Files (.rtf) 11
HTML Files (.htm) 11
Perl Script (.pl) 11
Exported Data Files (.tab and .csv and .mdb) 12
E-mail Body Files (.txt) 12
Sample File Naming Scheme for a Survey 12
Customizing the Package 13
Basic Research Concepts 15
Problem Recognition and Definition 15
Creating the Research Design 16
Methods of Research 16
Sampling 16
Data Collection 18
Reporting the Results 18
Validity 18
Reliability 19
Systematic and Random Error 20
Formulating Hypotheses from Research Questions 20
Type I and Type II Errors 21
Types of Data 21
Nominal data 21
Ordinal data 22
Interval and ratio data 23
Significance 24
One-Tailed and Two-Tailed Tests 25
Procedure for Significance Testing 25
Bonferronis Theorem 26
Central Tendency 27
Variability 27
Standard Error of the Mean 28
Inferences with Small Sample Sizes 28
Degrees of Freedom 28
Codebook Design 29
Components of a Study Design 29
Elements of a Variable 30
Variable Format 30
Variable Name 32
Variable Label 32
Value Labels 32
Valid Codes 33
Skip Codes 34
Data Entry Control Parameters 35
Missing OK 35
Auto Advance 35
Caps Only 36
Codebook Tools 36
The Grid 36
Codebook Libraries 37
Duplica
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