CourseWare Table of Contents    INTRODUCTION

INTRODUCTION

Purpose

Data Collected
Uses of NPTS

Coverage and Scope

Who Was Covered in the NPTS Survey?
When and Where Was the Survey Conducted?
What Does the NPTS Include?
What is Not Included in the NPTS?
Sampling Size and Sampling Strategy

History and Comparability

History and Comparability
Warning on Trends Analysis Using This Travel Data

Sponsorship

Survey Sponsors

Important Points

Points To Remember

DATA COLLECTION

DATA FILES

MAKING IT USEABLE

ANALYSIS

---