Goals:
Edit World Hypotheses ("needs additional citations for verification"). Done.
Edit Stephen Pepper ("this is a stub . . . expand it"). Done.
Add information to Klaus F. Riegel. Done.
Add information to Prospective memory. Done.
Add to Jean Piaget Society ("this is a stub"). Done.
Add to Human Development (journal) ("this is a stub"). Done.
Add reference to Wisdom. Done.
Add sentences, reference to Political polarizaation in the Uniuted States. Done.
Add sentence, reference to Memory. Done.
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