Let us consider the basic need of hunger. We know that it has a biological basis, which is common among animals and human beings, but the way this need is gratified by human beings is extremely complex. For example, some people eat vegetarian food, while others eat non- vegetarian food. How have they become vegetarians and non-vegetarians?
Some vegetarians take eggs; others do not. Why is Divide the class in two groups and have a debate on the topic “Psychologists should leave the study of neurons, synapses and the nervous system to biologists”. One group should speak in favour and the other group against the motion.