Types of Grass to Grow in Central Alabama. Plant warm-season grasses in central Alabama for best results in sun or partial shade. Cool-season grasses like Kentucky bluegrass, ryegrass and fine fescue do most of their growing from fall to spring, and prefer cooler temperatures. Prepare the planting site well ahead of spring planting.
Operational Definitions. To test an idea, one must gather data. This means one must relate ideas to concrete, measurable events in the world. That is why scientists need operational definitions, which are definitions that tell how to measure or detect something.
Operational definition. An operational definition is the application of operationalization used in defining the terms of a process (or set of validation tests) needed to determine the nature of an item or phenomenon (e.g. a variable, term, or object) and its properties such as duration, quantity, extension in space, chemical composition, etc.