Continuo con il commento ai suggerimenti di Fred Van Bennekom
riportati da Writing Matters,
4. Questions written in loaded language. You may already know what survey results you’re hoping for, but, among other sins, loaded questions waste respondents’ time. Here’s a biased example Fred shared, drawn from the land use survey: “Agree or disagree with the following statement: ‘The population growth in our town is stressing town services and educational facilities.'” Hmmm…I wonder whether they want me to agree or disagree. Consiglio: quando c’è il rischio che dalla domanda traspaia cosa vogliamo sentirci dire abbiamo più scelte, tra le quali:
5. Questions not worded to the scale. If the survey offers respondents an Excellent-Satisfactory-Poor scale, it should not ask yes-no questions such as “Was the audit conducted in a professional manner?”. Consiglio: testare sempre il questionario su un piccolo numero di soggetti, un errore del genere ve lo fanno notare subito.
6. Incomplete response options. Some surveys fail to offer the range of options a respondent will need. Fred provided this example of a customer satisfaction survey he completed after a stay in a luxury hotel. One of the items he was asked to rate: “Ability of the staff to anticipate your needs.” The survey should have included a Not Applicable option, as guests may have had all their needs met without any evidence that staff had anticipated them. Consiglio: testare il questionario con domande aperte, dalle quali poi ricavare le opzioni precodificate per la trasformazione in domande chiuse. Inserire sempre l’opzione “altro” in modalità aperta, che permetterà di capire se abbiamo sbagliato la selezione delle opzioni.
Bene, so che ora siete tornati veramente tutti e con questo post non leggerissimo (diciamo pure pallosetto) potete considerarvi definitivamente operativi.
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