Within a scientific discipline, the focus of investigation is often cyclical in nature. In psychology, the cycle is represented by an emphasis on the study of ____ in the 1880s and on the study of ____ in the 1980s.?

What percentage of school-aged children in the United States receives special education or related services because of learning disabilities?

A) 1 percent B) 5 percent C) 7 percent D) 13 percent

Maria took an apple from William's lunch box without his permission. Later that day, William put a spider in Maria's lunch box. This is an example of what type of behavior?

What will be an ideal response?