Questionnaires in Education Research, http://www.edu.plymouth.ac.uk/resined/QUESTS/index.htm#C.____QUESTIONNAIRE_DESIGN_-_an_example
Resources in data gathering methods
Sampling, http://www.socialresearchmethods.net/kb/sampterm.php
Selecting the survey method, http://www.socialresearchmethods.net/kb/survsel.php
Questionnaire: http://www.okstate.edu/ag/agedcm4h/academic/aged5980a/5980/newpage16.htm
Easy to understand: http://gk12.harvard.edu/modules/SurveyQuestionTypes.pdf
Survey questions, http://knowledge-base.supersurvey.com/survey-questions.htm
Levels of Measurement, http://www.socialresearchmethods.net/kb/measlevl.php
Question Content, http://www.socialresearchmethods.net/kb/quescont.php
Question Response Format, http://www.socialresearchmethods.net/kb/quesresp.php
Question Placement, http://www.socialresearchmethods.net/kb/quesplac.php
Interview, http://www.socialresearchmethods.net/kb/intrview.php
Online survey glossary, http://knowledge-base.supersurvey.com/glossary.htm#attitudinal_behavior