" 1 (2nd series). Return to starting point … Reward only for correct first
choices
" 2-8 …………. Same as on July 1 ……….
" 8 (2nd series). No punishment ………….. Reward for each trial
" 8 (3rd series). Return to starting point … Reward only for correct first choices
" 9-10 ………… Same as for July 8 (3rd series)
" 10 (2nd series). Momentary confinement in ….. Reward for each correct choice wrong boxes
" 12 ………….. Return to starting point ….. Reward for correct first choice
" 12 (2nd series). 30 sec. confinement ………. Reward for each correct choice
" 12 (3rd series). 5 " " …………… " " " " "
" 13 ………….. 30 " " …………… " " " " "
" 14-17 ……….. Return to starting point ….. Reward for correct first choices