The IBM-HS specifies the existence of other determinants within the model because it is possible that other important determinants exist beyond the seven determinants explicitly specified in the IBM-HS. There are literally thousands of constructs that have been studied in the social sciences and many of those constructs could be included in help-seeking investigations to determine whether or not they may shape mental health help-seeking perceptions and behaviors. Here is a brief list of constructs (and accompanying measures) that do not fit neatly into one of the seven IBM-HS determinant categories that have been examined in the context of mental health help-seeking behavior: