change - a relational difference between states; especially between states just before and just after some occasion; "he attributed the change to their marriage" " We define the "engraphic effect" of the stimulus as the impact in creating a difference between the principal and secondary indifference-states, and this difference https://thermal-shock-vs-thermal56789.blogs100.com/36702095/the-smart-trick-of-compact-temperature-test-chambers-that-nobody-is-discussing