How Did the Changing Composition of the Middle Classes Affect

question 5

Essay

How did the changing composition of the middle classes affect this group's political and social goals in the course of the nineteenth century?

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Definitions:

Construct Validity

The extent to which a test or instrument measures the theoretical construct it's intended to measure.

Experimenter Bias

The possibility that the experimenter’s knowledge of the condition a particular participant is in could affect her behavior toward the participant and thereby introduce a confounding variable to the independent variable manipulation.

Conceptual Replications

A method in scientific research where a study is conducted again with the same hypotheses but different methods or in different contexts to validate the original findings.

Random Assignment

A method used in experiments to assign participants to different groups in a way that each participant has an equal chance of being placed in any group.