1. W

    Is it meaningful to calculate a p-value based on a convenience sample?

    Ignore the bootstrap as a possibility. If the answer is no, then what is the point of stating the p-value (especially if it is, say, 0.10)?
  2. T

    Ordinal or interval survey response analysis (from a convenience sample)

    I have the responses from a survey where people had to provide a rating on a scale from one to five, where five was most positive side of things. I would like to assume it is interval scale where the differences between each point on the scale are the same, as I would like to compute...