The PDQ analog of prop_ss(): pools all subjects' responses and
reports, for each of the 10 h ranks (one item per block per rank), the
proportion choosing the smaller guaranteed reward. 1 - prop_sc is the
risky-choice proportion at that rank.
The PDQ analog of prop_ss(): pools all subjects' responses and
reports, for each of the 10 h ranks (one item per block per rank), the
proportion choosing the smaller guaranteed reward. 1 - prop_sc is the
risky-choice proportion at that rank.