Answer: A. observing what other students in your class are wearing
Discovery science is a scientific method of emphasizing and analyzing large amounts of data with the sole purpose of finding new correlations. This in turn leads to the formation of new hypotheses, laws, and other methodologies in science. With the options provided, observing what other students in the class are wearing is not a discovery science as it involves large amounts of data and is based on observations. Doing this, new patterns and correlations are found and this may lead to a theory being formed.