Practice quiz: Planning

4 questions. Pick an answer to see if it is right. You can try as many times as you like. These are for practice: the final test has different questions.

1. 1.After US trials had to register outcomes in advance, Kaplan and Irvin found the share reporting benefit fell from 57% to...

   50%30%8%0%
2. 2.Analyses not in your pre-registration should be...

   hiddenlabelled as exploratorypresented as planneddeleted
3. 3.Which belongs in a test plan?

   The final resultsA single, precisely defined primary outcomeOnly the titleThe press release
4. 4.What should a pilot study NOT be used for?

   Finding bugsChecking instructionsChoosing the hypothesis after seeing which looks bestTiming the procedure