Happy forms?

I went to a conference recently and found it decidedly hard going. The programme was ominously crammed with one eminent speaker after another. Coffee breaks were repeatedly truncated while the chairman distributed a set of yellow forms on which we were asked to rank each talk in terms of content, relevance, interest, delivery, and handouts, each on a five point scale from poor to excellent. I gave middling to positive responses, since the suits on the podium had clearly worked …