FACTORING PROCEDURES AND SCREEN LINE CHECK

THREE DIFFERENT TYPES OF EXPANSION FACTORS USED TO EXPAND THE TRAVEL DATA OBTAINED IN THE CATS HOME INTERVIEW SAMPLING AND COMMERCIAL VEHICLE SURVEY SAMPLES ARE DESCRIBED. THE METHODS USED TO EXPAND THE TRAVEL DATA TO ACCOUNT FOR THE SAMPLING RATE AND FOR INCOMPLETE ENUMERATION OF THE SAMPLE, I.E., NON-INTERVIEWS ARE DESCRIBED. NON-INTERVIEWS ARE OBTAINED DUE TO REFUSAL BY THE RESPONDENT, NOT FINDING THE RESPONDENT AT HOME, AND OTHER MISCELLANEOUS FACTORS. COMPARISONS ARE DESCRIBED BETWEEN TRAVEL DATA OBTAINED IN THE HOME INTERVIEW AND COMMERCIAL VEHICLE SURVEY WITH SIMILAR DATA OBTAINED IN THE CHECKING SURVEY AT THE SCREEN LINE. PROCEDURES USED IN EXPANDING THE TRAVEL DATA IN THE HOME INTERVIEW AND COMMERCIAL VEHICLE SURVEYS TO BRING THESE RESULTS INTO AGREEMENT WITH THE RESULTS OF THE SCREEN LINE SURVEY ARE DESCRIBED. RESULTS OBTAINED AFTER SCREEN LINE FACTORS WERE APPLIED ARE SHOWN.

  • Supplemental Notes:
    • 32pp, 6fig, 12TAB
  • Corporate Authors:

    Chicago Area Transportation Study

    300 West Adams Street
    Chicago, IL  USA  60606
  • Authors:
    • Bevis, H W
  • Publication Date: 0

Subject/Index Terms

Filing Info

  • Accession Number: 00227603
  • Record Type: Publication
  • Source Agency: Urban Transp Plng Abstracts /Prelim
  • Files: TRIS
  • Created Date: Aug 15 2004 2:02AM