Showing posts with the label cherry picking results.

DRUNKEN DOWSING: cherry picking

I want to talk a little bit about a logical fallacy called “Cherry Picking,” but first I should bring you up to date on the dowsing test that my friend and I are working on.
I was really pleased with what my dowsing friend Tom (not his real name) said at the last party. He suggested for the dowsing test I hide rebar in one of several PVC pipes. I went to Home Depot and purchased some 2 ½“ PVC and 4 pieces of rebar. I plan to cluster the 4 pieces of rebar together and place the cluster in one of five PVC pipes for him to pick.
I was thinking that the day of the test Tom could designate 5 spots in the backyard that he feels are clear of any interference. We could put towels down to mark those spots. I would then place the PVC pipes on those spots. He would use his dowsing ability to pick which PVC pipe contained the cluster of rebar. We would do this a number of times. Each time I would switch out which piece of PVC contained the rebar.
Tom thought each round should have 10 choices (10 pie…