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A questionnaire is a research instrument that consists of a set of questions (or other types of prompts) for the purpose of gathering information from respondents through survey or statistical study. A research questionnaire is typically a mix of close-ended questions and open-ended questions.
A common method is to "research backwards" in building a questionnaire by first determining the information sought (i.e., Brand A is more/less preferred by x% of the sample vs. Brand B, and y% vs. Brand C), then being certain to ask all the needed questions to obtain the metrics for the report. Unneeded questions should be avoided, as they are ...
Responses to several Likert questions may be summed providing that all questions use the same Likert scale and that the scale is a defensible approximation to an interval scale, in which case the central limit theorem allows treatment of the data as interval data measuring a latent variable.
The McLean Screening Instrument for Borderline Personality Disorder (MSI-BPD) is a 10-question self-report screening tool used to identify individuals who may warrant further evaluation for borderline personality disorder (BPD). The questionnaire asks individuals about the presence of symptoms they experience that are characteristic of BPD.
A good sample selection is key as it allows one to generalize the findings from the sample to the population, which is the whole purpose of survey research. In addition to this, it is important to ensure that survey questions are not biased such as using suggestive words. This prevents inaccurate results in a survey.
Of these questions, 5 were concerned with rating a user's overall reaction of the system. The remaining 85 were organized into 20 groups which, in turn, consisted of a main component question followed by related subcomponent questions. The reliability of the questionnaire was found to be high with Cronbach's alpha=.94 [2]
There are 10 questions, covering the following topics: symptoms, embarrassment, shopping and home care, clothes, social and leisure, sport, work or study, close relationships, sex, treatment. Each question refers to the impact of the skin disease on the patient’s life over the previous week. [7]
In creating the layout of the online questionnaire, “smart branching,” also known as "skip logic," should be utilized to lessen complexity. For example, if a subject selects “yes” to a question, the questionnaire would automatically jump on to the next relevant question and vice versa. [10]