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.
Lateral moraines above Lake Louise, Alberta, Canada. Lateral moraines are parallel ridges of debris deposited along the sides of a glacier. The unconsolidated debris can be deposited on top of the glacier by frost shattering of the valley walls and/or from tributary streams flowing into the valley.The till is carried along the glacial margin until the glacier melts.nd moraines, or terminal moraines, are ridges of unconsolidated debris deposited at the snout or end of the glacier. They usually reflect the shape of the glacier's terminus.