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.
1 How long does ground beef last in the fridge once it is cooked? 2  Cooked ground beef will usually stay good for 3 to 4 days in the fridge and 3 months in the freezer. Ground beef that has been defrosted in the fridge can be kept for an additional 1 to 2 days in the refrigerator before cooking; ground beef that was thawed in the microwave or in cold water should be cooked immediately.