Guidebook for Conducting Airport User Surveys (2009) / Chapter Skim
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Pages 119-124
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From page 119... ...
6.1 Purpose of the Survey and the Data to Be Collected The reasons for conducting employee surveys are often similar to the reasons for conducting air passenger surveys, and frequently the two are part of the same study. Employee surveys are also conducted to address employee-related issues.
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From page 120... ...
Nobody should be approached in a restaurant or cafeteria unless permission has been obtained from the proprietor beforehand. In some situations, it may be possible to conduct intercept interviews.
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From page 121... ...
Employee Surveys 121 6.2.2 Employer or List-Based Approach The first step in using a list-based approach is to develop a list of all employees working at the airport by asking employers for contact information for their employees for use in conducting a survey. Some employers may prefer to distribute the questionnaire directly to their employees and not provide contact information.
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From page 122... ...
An estimate of the number of employees at the airport will be required, even if this is only approximate. For random sampling, required sample sizes to achieve an accuracy of better than ±5 percentage points27 for a categorical variable are given in Table 6-1 for a range of total numbers of employees at the airport.
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From page 123... ...
• Category of employer -- employees often do not recognize categories of employers such as "concessions." It is better to provide a wide range of options so few people will respond with "other." Include volunteer positions in the response options if the airport uses them (e.g., in information booths)
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From page 124... ...
This proportion is usually relatively small, but at large hub airports, with airline crew bases, maintenance bases, and extensive cargo facilities, the ratio of average daily employees to average daily enplaning passengers can range from 25% to over 50%. At airline connecting hubs, the ratio of daily employee ground access trips to originating passenger access trips frequently approaches and in some cases exceeds 100% (Gosling, 2008)
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