Behaviorist Theory. The behavioral theories of Skinner (1974) and Bijou (1989) also continue to influence what goes on in schools, especially for some special education programs. The mechanistic theory of behaviorism emphasizes the role of the environment on an individual's development.umerous theories of development have influenced educational practices during the 20th century (Aldridge, Kuby, & Strevy, 1992), and currently a shift is affecting theories of child development and education.
As you can see, there are lots of variables to answering the how long is hamburger meat good for question. Raw hamburger meat (ground beef) is much more perishable than other cuts of beef and will keep in the refrigerator for only 1 to 2 days. Cooked hamburger meat will keep 3 to 4 days in the refrigerator.
How long is raw hamburger meat good in the refrigerator? The U.S. Department of Agriculture recommends that all raw ground meat be stored in the refrigerator for one to two days at most. The temperature recommended for storing ground meat is below 40 degrees Fahrenheit. The danger zone for meat and other perishable foods is considered to be between 40 F and 140 F.