Examlex
The cost of prescription drugs is a major concern for older people who live on fixed incomes.
Demand Characteristics
Cues in an experimental environment that suggest to participants what behavior is expected, desired, or appropriate, potentially influencing their responses.
Experimenter Cues
Unintentional signals or behaviors from a researcher that can influence the responses or actions of participants in a study.
Random Assignment
The process of allocating subjects randomly to experimental and control groups in a study to ensure that each participant has an equal chance of being assigned to any group, thus reducing bias.
Correlational Studies
Studies in which the investigator analyzes the relationships among variables that were in place before the study, without manipulating those variables.
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