Step 1: Understanding the Concept.
Think about the difference between just telling someone a fact and actually helping them decide to act on it.
Step 2: Key Formula or Approach.
In health education, methods that involve two way interaction and group support are known to change behavior more strongly than methods that only pass on information.
Step 3: Detailed Explanation.
Posters and printed leaflets only give information in one direction. A couple may read about family planning and still not feel ready to use it, since no one is there to answer their doubts.
Films and television spread awareness to a huge number of people at once, but again this is a one way channel with no room for the couple to ask questions specific to their situation.
Group discussion works differently. Couples sit with others facing the same decision, share worries, hear success stories, and work through social hesitation together. This mix of information plus peer support and open questions is what actually pushes people from just knowing about family planning to accepting and using it.
Direct one to one talk with a worker is helpful too, but it lacks the peer influence that a group setting brings, which studies in health education repeatedly show as a strong motivator for practices like family planning.
Step 4: Final Answer.
Group discussion is judged the most effective method for motivating a couple toward family planning.