Final answer:
The most effective way to connect with a specific niche of customers is through personal selling and targeted direct mail, not mass media methods.
Step-by-step explanation:
The best way to reach a narrowly defined group of customers or a market niche is through B. personal selling and targeted direct mail. While television advertising has its merits for mass outreach, targeted marketing approaches like personal selling and targeted direct mail are more effective for engaging with specific demographics. Tools like polls and target groups help in crafting messages that resonate with a niche audience, allowing businesses to focus their efforts on the most receptive customers. Moreover, as technology evolves, traditional advertising methods such as television and print media have become less effective, prompting companies to look for new ways to connect with consumers. Narrowcasting allows for more specialized audience targeting, compared to broadcasting which seeks to reach a wider, more general audience.