A definition of the term encoding variability principle is presented. The principle was formulated by the American psychologist Gordon Howard Bower. Encoding variability refers to the degree of variability in the environment and mood in which one learns the same material.
Increasing Your German Shepherdâs Lifespan. While German Shepherds can live 11 years on average, you can find a way to make your best dog buddies stay longer by your side. The key is in ensuring that they are getting the right amount of nutrition and exercise. Here are some tips on how to make that happen. Maintain a healthy weight.
Average lifespan of a sheltie? The average lifespan of a Shetland Sheepdog (Sheltie) is about 10-15 years. arverage dogs lifespan is 12.5 years Well considering that 10 is old for a dog I would say at least 13 to14   Depends on the breed. Smaller breeds tend to live longer. Terriers can often live until 16 years of age for example, whereas a good lifespan for some larger breeds can be as short as 10.