The threshold effect, also known as the inch-to-inch effect, means that once a person accepts a trivial request from others, he is likely to accept a larger request in order to avoid cognitive disharmony or to give others a consistent impression. This phenomenon is like climbing the doorsill step by step, so that you can climb the heights more easily and smoothly.
According to the above definition, which of the following does not meet the threshold effect?
An enterprise has successfully developed a kind of white toothpaste to remove smoke stains, which has been praised by the market because of its good effect in removing smoke stains. While the iron is hot, the enterprise has launched several kinds of white toothpaste with different tastes. Although it is only slightly improved from the former product, it is still a best-selling product