As a part of an ongoing research since 1990’s, done by Behavioral Sciences and Research Press, Full Spectrum Advocacy is an upgraded version of the Sales Preference Questionnaire – SPQ Gold. The new instrument brings newly discovered sales call reluctance types, new impostors, new scale classification and expanded quality assurance features among the others. It was developed to focus on specific behavioral competencies required for effective clientele-building, sales prospecting and business-building activities.