Psychology as a scientific practical enterprise shows the merging and interloking of scientific_cognitive, value and pragmatic aspects. Four types of discourse differently connected to value basis of research, to object examined and to addressee of research are described. These discourses describe the situation as independently existing, ignore the value guaranteeing of the objectively existing or common to all mankind processes; show the conditions of efficacy of the first type descriptions, value conditions included; describe the methods of influencing the participants’ value attitudes described by first and second types of discourse; directly influence the value attitudes of readers and listeners.