Contrast social classes with respect to life chances. Consider nutrition, living conditions, education, and healthcare when comparing these. Identify unconditioned stimulus, conditioned stimulus, unconditioned response, and conditioned response in classical conditioning in an original example of a classically conditioned behavior.  Requirements. Provide title/reference page and citations. Double-spaced, 12-point font, 1-inch margins in APA Format. Word count: 200-250. Reference: Lifespan Psychology. Authored by: Laura Overstreet. Located at: http://opencourselibrary.org/econ-201/. License: CC BY: AttributionAPASamplePaper.pdfModule2DevelopmentalTheories.pdfLifespanDevelopment_2-12-18.pdf