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Gathering Useful Data for Examining Relationships by Mind Map: Gathering Useful Data for Examining Relationships
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Gathering Useful Data for Examining Relationships

Speaking the Language of Research Studies

Types of research studies

Units, Subjects, Participants

Explanatory and Response Variables

Confounding Variable

Designing a Good Experiment

Participants in randomized experiments

Randomization: random assignment to treatments or conditions

Control Groups, Placebos, and Blinding

Pairing and Blocking

Design Terminology

Designing a Good Observational Study

Types of Observational Studies

Difficulties and Disaster in Experiments and Observational Studies

Interacting Variables: sometimes a second explanatory variable interacts with the principal explanatory variable in its relationship with the response variable.

Hawthorne and Experimenter Effects

Ecological Validity: Results do not accurately reflect the impact of the variables in the real world or in everyday life.