That statement is true
empirical data and theoretical guidelines are created after conducting through research on a certain subject and making the conclusion heavily tested by other experts on similar field. Suing such data and guidelines to analyze a certain problem would increase the chance of success in delivering appropriate solution.
That is true. Those who study and practice the academic disciplines of sociology and psychology, respectively, use empirical data and theoretical guidelines to make descriptive judgments or diagnose problems before treatment is recommended.
