A researcher has designed a study in which rats receive a pellet of food when they press a lever, but only after a set amount of time has passed since the last time they received a pellet of food. Which kind of reinforcement schedule is this researcher using

Choose the correct citation for the case which established the “minimum contacts” test for a court’s jurisdiction in a case. select one: a. brown v. board of education of topeka, 347 u.s. 483 (1954). b. international shoe co. v. washington, 326 u.s. 310 (1945) c. haynes v. gore, 531 u.s. 98 (2000). d. international shoe co. v. washington, 14 u.s. code 336. q