Cognitive balance, or the maintenance of a logically consistent mental model of the world, can be achieved through __________

In some experiments, demand characteristics are controlled by making sure neither the participant nor the experimenter knows what condition(s) the participant experienced until the data are collected and analyzed

This is called a(n) procedure. a. counterbalancing b. double-blind c. treatment-placebo d. matched ignorance

Which of the following is a method of ratification for a constitutional amendment?

a. by three-fourths of the state legislatures b. by three-fourths of the state governors c. by three-fourths of voting-age citizens d. by half of the state legislatures