There is obviously a very big difference in the perception and use of words as thinking tools: if the subjects of an experiment use both past tense forms: „I solved my word puzzle“ and „I have solved my word puzzle,“ there is evidence for a significant difference in how the experiment is rated.
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If you use a verbal formulation in which the taking place of an event is in the foreground, ie. in perfect tense form, then the memory of the event will be process oriented. Is the result of the event in the foreground, then the memory will be result oriented.
We’ll be happy to offer the use of WordPuzzle for further experiments of this kind!