I know it! It's um . . . um . . . It starts with ‘G'," begins a trivia game contestant excitedly. The contestant is falling prey to the effect.

The answer is the tip-of-the-tongue effect.

Explanation:

This effect takes place when a person fails to rememeber a piece of information (most usually a word), and at the same time he feels the information is there --only unavailable for retrieval. For example, the person might not remember a complete word, but a similar sounding word, the first letter of said word or its length.

answer; majority;

answer; goals and feedback are present;