, I might give you a questionnaire about your attitude towards statistics today, repeat this same questionnaire tomorrow, and compare your answers on the two days; we would hope that they would be very similar to one another, unless something happened in between the two tests that should have changed your view of statistics (like reading this book!).</p>
<p>Another way to assess reliability comes in cases where the data include subjective judgments. For example, let’s say that a researcher wants to determ