Changing the elements in a system, such as the individuals who become homeless or the employees in a school system, involves what type of change?

Japanese train station workers (as pictured below) are required to point to things repeatedly and routinely as part of an industrial safety method called "pointing-and-calling" to reduce errors in protocol. What might this be an example of?

a. Symbolic offloading b. Mental imagery c. Mental rotation d. Implicit memory

The right hemisphere of the cerebral cortex is most likely to be involved when a person is

a. scared by the appearance of a spider above their head. b. elated at their wedding reception. c. surprised after winning $10,000 in a lottery. d. under pressure to complete a term paper by tomorrow. e. depressed after the loss of the favorite pet.