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Restrain Yourself to 7 Shades of Gray
Limit your options (for an apartment, toilet paper, anything) to seven, tops—the average number of units most of us can juggle in working memory. Add more and you'll feel paralyzed—like those now-famous study participants who were asked to choose between six types of jam versus 24 (30 versus 3 percent bought a jar), investment funds (more options, less participation) and speed dates (too many was a turnoff).

In choice-overload mode, decisions made are also riskier, finds a gambling study at the University of Warwick—because information-gathering skills weaken and we lose our sense of probability.
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