Concept:Collective counselling is a flexible approach that blends directive and non-directive methods. It was developed by F.C. Thorn.Explanation:Counselling helps individuals understand themselves and solve problems. There are three main types: directive, non-directive, and collective. Collective counselling uses techniques from different schools to adapt to each client’s needs. Its propounder is F.C. Thorn.For reference, the other approaches are:
Directive Counselling
It was propounded by E.G. Williamson.It refers to a type of counseling in which counselor plays an important role and prescribes course of action to deal with the counsellee's problems.
Non-directive Counselling
It was propounded by Carl Roger.It refers to a type of counseling in which opportunities are provided to counsellees to create positive changes for themselves.
Thus, collective counselling is specifically linked to F.C. Thorn.Answer:Option A. Thorn