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Gathering Useful Data for Examining Relationships: Chapter 4 by Mind Map: Gathering Useful Data for Examining Relationships: Chapter 4
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Gathering Useful Data for Examining Relationships: Chapter 4

Cause & Effect

Yes

No

Experiment

Control Groups

Placebo

Blinding

Double Dummy

Pairing & Blocking

Randomization

Research Studies

Observational

Experimental

Study Units

Difficulties and Disasters

Rule for concluding cause & effect

Cause-and-effect relationships can be inferred from randomized experiments but not from observational studies.

Look at Variables

Response (aka, outcome or dependent)

Confounding

Explanatory

Observational Studies

Case Control

Retrospective (looking back)

Prospective (looking forward)

Confounding variables