According to Halfon & Langford (2015), three barriers to the genuine professionalization of the ECEC workforce are______________. Question 1 options: 1) None of these options 2) The prevailing market model of childcare, the devaluation of caring work, increasing professional expectations without sufficient workforce advocacy 3) The misperceptions of parents regarding the work ECEs do, the lack of male ECEs, increasing professional expectations of the workforce without sufficient workforce advocacy 4) A lack of work ethic on the part of ECEs, ECEs not valuing care work, the prevailing market model of childcare 5) Low expectations in training institutions, the devaluation of caring work, the low wages of ECEs