As our book states, "theories can never be proven true because there is always the possibility that an observed relationship may be a function of some other, unconsidered factor" (Bohm & Vogel, 2011). Our book actually provides a very good example of the third unconsidered factor. If you have ever researched crime rates then you know that more crime is committed during the summer rather than the winter. Another rate that goes up during the summer is ice cream sales. This two rising rates may appear to have a relationship, but you can't really believe that ice cream leads to crime, right? Thus, the third factor comes in to play which is the weather. Criminals tend to commit more crimes when the weather is warm. There is always going to be a
