The Seattle Longitudinal Study found that the measured output of all the five primary mental abilities began to _________ at about age 60

Scientists seek to progress from:

fact to fiction. observation to truth. rumor to fact. opinion to truth.

The research by Lloyd and Margaret Peterson suggests that

the duration of short-term memory is about 15 seconds, but some have proposed that it may be as short as 5 seconds. These other theorists have suggested that some of the participants in the Petersons' study were able to silently rehearse the letters they were shown, thus appearing to have a longer short-term memory duration. This alternate explanation for the Petersons' findings demonstrates which principle of critical thinking? A) Replicability B) Extraordinary claims C) Falsifiability D) Ruling out rival hypotheses