Final answer:
Indirect polling booth surveys are vital in developing countries to gather accurate data, overcome challenges like refusal to talk and dishonesty, and ensure random and representative samples.
Step-by-step explanation:
The indirect method of polling booth surveys, often employed in face-to-face interviews during exit polls, allows public opinion research in scenarios where reaching a representative sample may be difficult, e.g., in developing countries with less technology penetration. Such methods are critical for achieving a random and representative poll and handling challenges like people refusing to talk potential dishonesty, and demographic imbalances. In developing countries, these surveys can be particularly insightful when assessing sensitive issues as they provide a level of anonymity, potentially leading to more honest and accurate data collection compared to direct questioning.