Draw a Diagram of the 2 × 2 Research Design

question 6

Short Answer

Draw a diagram of the 2 × 2 research design used by Mednick et al. (1983, 1984) in their adoption study and label all the cells. Identify which group of participants (i.e., which cell) was associated with the highest level of criminal behaviour among the adoptees, which one was associated with the lowest level, and which two were associated with intermediate levels of criminal behaviour.

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Definitions:

Categorical Propositions

Statements that assert or deny that all, some, or none of a particular class of objects belong to another class of objects.

Universal

Describes something that applies to all instances or a concept that is globally accepted or recognized.

Categorical Syllogism

A logical argument that makes use of three categorical statements, including two premises and a conclusion, to demonstrate a relationship between sets or categories.

Categorical Syllogism

A form of deductive reasoning consisting of three parts: a major premise, a minor premise, and a conclusion, each of which is a categorical proposition.