As to the methods, though in essence the same, there are minor differences in detail so that people of different dispositions may follow.
Hinduism understands that there are as many dispositions as are Human Beings, they have tried to suit the groups these texts to suit the groups which have common dispositions.
Each Veda has four parts.
Samhitas are hymns addressed to Gods.
The Samhitas and the Brahmanas form the Karma-Kanda segment of the Vedas.
They are concerned with the ceremonial rites and rituals.
Aranyakas are concerned more with knowledge ,Gnana and this is mainly for the semi retired from day to day activities.
These are the basics of Gotra, Shaka and Sutra link.
If one finds it difficult,one may trace them if they have any of the three, that is Gotra, Shaka, Sutra.