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| en:survey:pretest [05.10.2015 10:05] – [Implementation] ogola | en:survey:pretest [05.10.2015 13:56] – old revision restored (15.03.2015 14:01) admin | ||
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| ===== Implementation ===== | ===== Implementation ===== | ||
| - | A pretest takes -- depending on the care taken during the design of the questionnaire -- between one hour and several days. Investing this time is worthwhile though, since a several fold will be saved when analysing the data. Further, data quality will be higher and rates of discontinuation lower. | + | A pretest takes -- depending on the care taken during the design of the questionnaire -- between one hour and several days. Investing this time is worthwhile though, since a severalfold |
| - You need approx. 5 people who only know little about your study (just like your later participants). Ideally, this will be people from your target population -- they can often be found in the family, the friend circle or the canteen. For the latter, a laptop with wireless internet connection can prove very useful. | - You need approx. 5 people who only know little about your study (just like your later participants). Ideally, this will be people from your target population -- they can often be found in the family, the friend circle or the canteen. For the latter, a laptop with wireless internet connection can prove very useful. | ||
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