Regarding availability, it had always seemed a bit strange to me that people would estimate words that start with those letters as more frequent than words with them in the third position. A list of rhyming, similar sounding words (vane, mane, cane, lane, line, fine, sine, mine, bone, cone, hone, lone, for example) seems at the very least just as easily recalled as a list of words with the same starting letter. Maybe this is just a poor test of the heuristic—I believe there are several other demonstrations of it in JUU.
Regarding availability, it had always seemed a bit strange to me that people would estimate words that start with those letters as more frequent than words with them in the third position. A list of rhyming, similar sounding words (vane, mane, cane, lane, line, fine, sine, mine, bone, cone, hone, lone, for example) seems at the very least just as easily recalled as a list of words with the same starting letter. Maybe this is just a poor test of the heuristic—I believe there are several other demonstrations of it in JUU.