item_t *items;
/* Support sequential introduction of items from bin 0 */
category_order_t order;
/* Support categories where responses are timed (0.0 == disable). */
double time_limit;
item_t *items;
/* Support sequential introduction of items from bin 0 */
category_order_t order;
/* Support categories where responses are timed (0.0 == disable). */
double time_limit;