The following table shows examples of variables, operational definitions, and values. Variables, operational definitions, and values. The last definition in the table (number of hairs on the left thumb) reminds us that operational definitions are not always good or valid.They are simply descriptions of measurement actions. You could argue that the last definition is an operational definition.istinguishing Operational Definitions, Variables, and Values. Throughout this book we will be referring to psychological variables. Some students do not have a grasp of the simple term variable, so this might be a good time to clarify the concept.
A fluvioglacial landform created by both erosion and deposition by melt water is a Sandur or outwash plain that often has braided streams. Outwash plains are areas that may have been glaciated by ice sheets and then affected by melt water or they may be areas in front of the snout.
1 End Moraines and Terminal Moraines are deposited at the low elevation end of a glacier as the ice retreats due to ablation (melting). 2  Lateral Moraines are deposits of till that were deposited along the sides of mountain glaciers. Lateral Moraines are deposits of till that were deposited along the sides of mountain glaciers. 2  Medial Moraines-When two valley glaciers meet to form a larger glacier, the rock debris along the sides of both glaciers merge to form a medial moraine.