Frame Numeric Quantities

Simply & Positively​

Rather than using percentages, use natural frequencies


When comparing effectiveness or risk, use common denominators


“If 100 women have unprotected sex for a year, 85 of them will

get pregnant, as compared with maybe 0 or 1 out of 100 using an IUD.”

(Rather than saying, "The one year risk for pregnancy when using no contraception is 85%). 


“If a person switches from the pill to an implant, their chance of unintended pregnancy is reduced from 9 in 100 to less than 1 in 100.”

Los Angeles, CA
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