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OCR for page 91
Sample Request for Proposals Template 91
N = number of respondents in survey, and
I = number of minimum (core) questions.
ˇ A Missing Values Index, calculated as shown below:58
N I
xi ,n
n=1 i =1
MVI = N I
xi ,n
n=1 i =1
where
MVI = Missing Value Index,
xi ,n = {
1 if data item i of respondent n is mi
0 otherwise,
issing
}
x i ,n = {
1 if a response to variable i is applic
0 if a response is not
t applicable,
cable to respondent n
}
I = number of variables, and
N = number of respondents in data set.
ˇ An estimate of respondent burden in terms of either actual or estimated time in minutes for59
Review of printed materials, including instructions:
Recordkeeping (as applicable);
Use of "memory jogger" to record trips or activities;
Recording odometer readings from household vehicles;
Actual average call time for (as applicable) recruitment, reminder calls, retrieval, and any
other calls (verification, re-contact for incomplete data, etc.);
Completing diaries and other requested data;
Gathering the completed surveys from responding household members, and
Mailing the surveys back to the Contractor/client agency (if applicable).
Contractor should note that Agency will review the above quality indicators, including the
household trip rates60, as indicators of the data quality.
Contractor is to provide a summary of the survey results, using the weighted data. The Con-
tractor should specify in its proposal whether the results will be included in the Methods Reports
or will be presented in a separate volume.
5.2.2 Schedule of Work
The anticipated project schedule is as follows:
ˇ Month, Day, Year: Anticipated Date of Contract Execution
ˇ Month, Day, Year: Start of the Pretest
ˇ Month, Day, Year: Start Date of the Main Survey Data Collection
ˇ Month, Day, Year: Completion of Field Portion of Main Survey Data Collection
ˇ Month, Day, Year: Draft Survey Results
ˇ Month, Day, Year: Final Survey Report
58
Number of Missing Values, Section 2.7.7
59
Respondent Burden, Section 2.2.9
60
Transportation Measures of Quality, Section 2.7.2
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92 Standardized Procedures for Personal Travel Surveys
There are certain dates during which data collection must be suspended. These are as follows:
ˇ Year-End Holiday Period: Month, Day, YearMonth, Day, Year
ˇ Other National Holidays: Month, Day, Year
ˇ Regional Holidays: Month, Day, Year
The selected Contractor may recommend alternative or additional dates for suspension of
travel data collection. The Contractor will present a complete schedule of task and survey activ-
ities in its proposal.
