Farm and home visit is a type of

Correct option is A

Farm and home visit involves direct one-to-one contact between extension worker and farmer/farm family. Communication is personal, face-to-face, and problem-oriented in nature. Advice is given based on individual farmer’s field and home conditions. Hence, it is classified under individual method of communication.
Information booster: Extension communication methods are classified into individual methods, group methods, and mass methods. Examples of individual methods include farm and home visit, office call, personal letter, and telephone call. Individual methods are highly effective for attitude and behavior change. They are time-consuming and costly. They are suitable for limited number of farmers.
Why other options are incorrect: (b) Partial method of communication – No recognized category called partial method exists in extension communication. (c) Group method of communication – Group methods involve interaction with many farmers simultaneously, whereas farm and home visit is strictly one-to-one. (d) None of these – Incorrect because option (a) Individual method of communication is the correct classification.