Direct food additives are those that are added to a food for a specific purpose in that food. For example, xanthan gum -- used in salad dressings, chocolate milk, bakery fillings, puddings and other foods to add texture -- is a direct additive. Most direct additives are identified on the ingredient label of foods.
Physical ability tests measure the physical ability to perform a particular task or the strength of specific muscle groups, as well as strength and stamina in general; Sample job tasks (e.g., performance tests, simulations, work samples, and realistic job previews) assess performance and aptitude on particular tasks;
Achievement and ability tests. For children, academic achievement, ability, and intelligence tests may be used as a tool in school placement, in determining the presence of a learning disability or a developmental delay, in identifying giftedness, or in tracking intellectual development.ost achievement and ability tests are standardized, meaning that norms were established during the design phase of the test by administering the test to a large representative sample of the test population.