Question

Loftus and palmer asked two groups of observers how fast two cars had been going in a filmed traffic accident. observers who heard the vividly descriptive word “smashed†in relation to the accident later recalled

Answer 1

I believe the answer is:  broken glass.
This proof that the grouping/representing process of a certain events or objects. This process usually resulted in the creation of words or actions that would ignite other memory due to its relevance. (in the example above, it's the word 'smahed' and actual broken glass.