The research conducted by psychologists involves: A. a reliance on subjective opinions and rationalizations. B. the validation of commonsense beliefs in predicting everyday experiences. C. the systematic use of commonsense beliefs in solving new problems. D. gathering information through direct observation.

The correct answer is letter D

In conducting scientific research in psychology, it is necessary to first choose a topic (a research problem) and a means by which this research will be carried out in practice.

A very important task in scientific research is the choice of the method used, for that there are different types of research that guide the work in its execution, data collection and consequently results. Thus, the type of research must be evaluated for use in terms of its means, its purposes, the time available, the availability of the researcher, among others. In other words, the method of investigation will depend on what the researcher is studying exactly.

buying socks and buying shoes are independent events.