Research question 3 have there been changes in perception of our product?
Note that the research question is rarely synonymous with a survey question that is, several survey questions will usually be required to address one research question. Formulating dependable survey questions is a highly technical and demanding process that requires extensive training and experience. Survey questions should be both reliable and valid. Reliability is the ability of a certain question to gain consistent responses over asking the same questions several times. For example, if we ask several people the same question and get very similar results, we can say the question is reliable. However, this does not mean that the question will be useful for our study. Questions also need to be valid. Validity is the ability of a question to measure what it purports to measure. For example, assume we are attempting to ascertain peoples attitudes toward Dillards Department Store. We have male and female models interview customers as they enter the store. Male models interview all females