Qualitative questions take longer to answer. Survey respondents don’t always have the patience to reflect on what they are being asked and write long responses that accurately express their views. It’s much faster to choose one of several pre-loaded options in a questionnaire. Using quantitative questions helps you get more questions in your survey and more responses out of it.
Citation: Cohen D, Crabtree B. "Qualitative Research Guidelines Project." July 2006.
Qualitative Data Analysis
T-Tests are used to test if the difference of means is statistically significant. It tests if the sample is representative of the populations. For example, if the mean for variable 1 is 20 and the mean for variable 2 is 28, you may say the means are different. T-Tests may show you that they are not significantly different, however, and you can’t base your conclusion on the means’ difference since the difference in the sample is not representative for the population.
In a previous post I looked at ways of modeling the relationship between the CBOE VIX Index and the Year 1 and Year 2 CBOE Correlation Indices: Modeling Volatility and Correlation The question was put to me whether the VIX and correlation indices might be cointegrated. Let’s begin by looking at the pattern of…