Identify and State the Historical Significance of the Following

question 10

Short Answer

Identify and state the historical significance of the following:
-​Berlin Wall

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Definitions:

Experiment

A research procedure in which a variable is manipulated and the effect of the manipulation is observed.

Observational Study

A type of research in which the investigator observes and records behavior or outcomes without manipulating the study environment or subjects.

Ethical Concern

Issues or situations that require careful consideration of principles of right and wrong in making decisions.

Placebo Drug Studies

Research studies that investigate the effect of a treatment, in which some participants receive a placebo, or inert substance, to compare against the effects of actual drugs.