When should people believe in science, especially in scientific explanations of the causes of health, ill or otherwise? One line of argumentation is that scientific evidence based in robust ecological data, supported by previously tested animal or biological models or double-blinded randomized control trials trumps intuition or just plain "common…

The best research studies are more noteworthy for the issues they raise than for the questions they answer. Being informative is good; being heuristic is better. The two papers under consideration are heuristic as well as informative. Thus, Wong, Kasari, Freeman, and Paparella (2007) provide an answer to the question of what might influence the…