HYBRID MODEL of Spiral and Prototype development models:

It is the combination of spiral and prototype models , it gives advantage of both the models.

We go for this model when,

1) Whenever there is dependency, we go for this hybrid model.

2) When the customer gives requirement in stages, we develop the product in stages using this hybrid model.

3) When the customer is new to the s/w domain

4) When developers are new to the domain

5) When customer is not clear about his own requirements