Based on a survey of almost 3,000 adults, researchers Wyatt et al. (Obesity Research, 2002) reported that those who ate breakfast regularly tended to be more successful at maintaining their weight loss.
a. Identify the explanatory and response variables.
b. Identify a confounding variable that provides an alternative explanation for the improved success rate of weight loss among regular breakfast eaters, compared to those who don’t eat breakfast regularly. Also, include a diagram showing how this explanation works.