Niche overlap measures in single and multiple resource states, and the current status of hypothesis testing using niche overlap measures, are reviewed. Two main hypotheses are recognized. To test the ...

1. The thermal melanism hypothesis (TMH) predicts that dark (low skin reflectance) individuals are at an advantage in cool climates as they heat faster and reach higher equilibrium temperatures than ...

Many times, in a follow-up study, I would redefine the hypothesis and begin the process again. The same method can be used in business—but managers must be willing to be proven wrong.