The cheapest country to visit on Structuralist explanations play down individual autonomy and agency, positivistic science, and linear-time causation in favor of explanations in terms of structural and systemic influences operating in the present to produce rule-governed behavior, the true nature of which can be revealed as the underlying structures are revealed. See also poststructuralism. structural model see structural EQUATION MODELING. structured interview an interview consisting of a predetermined set of questions or topics. Structured interviews are popular in marketing research, personnel selection, and other fields. Compare unstructured INTERVIEW. structured observation any of various methods for measuring overt behaviors and interpersonal processes that require that each observed unit of action be classified into an objectively defined category. The cheapest country to visit 2016.