Weber's law states that the higher the intensity of the stimulus, the ________ it will have to be ________ to result in a noticeable difference in sensory experience

African-American parents tend to be less informed about ADHD than their European-American counterparts and are more likely to attribute the symptoms to

a. biological causes. b. normal childhood activity. c. sugar intake. d. caffeine intake.

What is appropriate to do if an individual attempts to avoid or escape from the performance of an aversive activity? ___________

Fill in the blank(s) with correct word