Things I learnt at replication club #2 - power analysis and preregistration are fiddly and not many people document how they do it

Earlier this month I built a replication of a classic psychology result: time taken to solve shape rotation puzzles scales with the angles between the shapes. I was also curious about some more recent studies linking performance on these tasks to aphantasia, which can be measured via "vividness of visual imagery" questionnaires, so I figured I'd throw one of those on the end of my design. I didn't…