Step 1: Understanding the Concept:
Development Communication is a specific field of communication that is systematically planned and used to promote social and economic development. The question asks to identify its key features from the given statements.
Step 2: Detailed Explanation:
Let's analyze each statement in the context of Development Communication:
(B) It is oriented to socio-economic development and happiness of the people and community at large: This is the core purpose and definition of development communication. Its ultimate goal is to improve the quality of life. This is a key feature.
(C) It aims at giving information and educating the community: A primary function is to create awareness and educate people about new practices, opportunities, and social issues (e.g., health, agriculture, governance). This is a key feature.
(D) It combines suitable mass media and interpersonal communication channels for greater impact: Development communication uses a multi-channel approach, combining mass media (radio, TV, print) for wide reach with interpersonal channels (extension workers, community groups) for credibility and detailed discussion. This is a key feature.
(A) It focusses on success stories of people who have adopted new technologies...: This describes a common and effective strategy within development communication known as "social proof" or positive deviance. Highlighting success stories serves to motivate and persuade others to adopt new behaviors. It is an essential tactic and feature of the practice.
Since all four statements describe fundamental aspects, purposes, or strategies of development communication, they are all essential features.
Step 3: Final Answer:
All the given statements (A), (B), (C), and (D) are essential features of Development Communication. Therefore, option (2) is the correct answer.