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Assignment 3: Usability Evaluation

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Assignment 3: Usability Evaluation

Questionnaire is one of the most popular techniques for gathering data, where questions in a questionnaire are designed to be answered asynchronously, i.e. without the presence of the investigator. A goal must be set, before developing the questionnaire, as developer would like to have relevant reasons before starting working on something. Targeting the participants is another important element of collecting data through online questionnaire. In many ways questionnaire is similar to interviews as questions could be open or closed. Since interviewer is not present or in a word nobody is available to interpret the questions for the participant, making the questions clear and data collection efficient -- questions need to be clearly worded. Skilled people are needed to design a questionnaire especially to gather valid and reliable data. Easy and difficult aspects of creating and conducting an online questionnaire: First, I would explain the easy aspects of creating and conducting an online questionnaire. Online questionnaire is very effective when targeting a large number of people in terms of gathering valuable information. There are two ways of doing online questionnaire: email questionnaire and web based questionnaire. Email questionnaire is not that effective and hard to reach a maximum number of participants. On the other hand web-based questionnaire can reach any region in the world, target a culture or a group of people and collect data from them. Creating a web-based questionnaire is easy, especially survey type of questionnaire. Simple questions are asked in a form of multiple choice items, text entry, matrix and multiple single choice items. Web-based questionnaires are very interactive, where participants respond to a question by checking check boxes, radio