Which is NOT a factor that often leads to new product failure?

Effective advertising is indeed crucial for the success of a new product. When advertising is done well, it can effectively communicate the value and benefits of the product to the target market, generate interest, and drive sales. This suggests that effective advertising is a positive factor that contributes to a new product's success rather than a reason for failure.

In contrast, poor promotion, inadequate distribution, and no discernible benefits are often cited as common reasons for new product failures. Poor promotion means that potential customers are not adequately informed about the product or its value, which can lead to low awareness and interest. Inadequate distribution can prevent the product from reaching the intended market, limiting sales opportunities. Lastly, no discernible benefits can mean that customers do not see how the new product solves a problem or satisfies a need, making it less likely to be purchased.

Thus, effective advertising stands out as a factor that supports the likelihood of a new product's success rather than contributing to its failure.