Glossary L

Leucocytes refers to white blood cells that find and destroy antigens

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Leukemia is a cancer originating in blood or blood-producing cells. Leukemias are cancers that are found in the blood and bone marrow.

Leukocyte is white blood cell; a component of the immune system Leukocytes, moreover, are white blood cells (WBCs). The key cells to the immune system.

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Lev Semionovich Vygotsky (1896-1934) Vygotsky was born in Russia in the same year as Piaget. Vygotsky was not trained in science but received a law degree from the Moscow University.

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Deutsch: Ebene / Español: Nivel / Português: Nível / Français: Niveau / Italiano: Livello /

Level refers to the degree of behavior change with different interventions (for example, high or low).

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Level I abilities is Jensen’s term for lower-level intellectual abilities, such as attention and short-term memory that are important for simple association learning.

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Level II abilities refers to Jensen’s term for higher-level cognitive skills that are involved in abstract reasoning and problem solving.

Level of analysis refer to the views of ourselves that reside at different levels of conscious awareness. Level of analysis also refers to the specific focus of study chosen from a graded or nested sequence of possible foci. An individual-level analysis examines specific individuals in the group, a group-level analysis focuses on the group as a unit, and an organized level examines the individual nested in the group, which is, in turn, nested in the organizational context.