Scientists such as B. F. Skinner and John Watson used children— their own and those of other people—to test their theories about conditioning. Was that ethical? Did the use of children in experiments...

Scientists such as B. F. Skinner and John Watson used children— their own and those of other people—to test their theories about conditioning. Was that ethical? Did the use of children in experiments evolve over time? Do parents and teachers test their theories of child-raising on their children and students?