Jake is describing a chance encounter with an acquaintance. "i couldn't remember her name, yet it was on the tip of my tongue! " he exclaims. jake is experiencing a failure of a memory process called

The answer is retrieval.

Explanation:

Retrieval refers to accessing memories that have already been encoded by the brain. In other words, retrieval means the same as remembering. This occurs when the brain activates a neural pattern that was also activated at the time the memory was formed.

answer; i believe the correct answer is (4) flip a coin as each participant arrives,heads indicates assignment to the first group: tails indicates assignment to the second group;