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Two of the Most Common Open Source and Free Software

question 27

Multiple Choice

Two of the most common open source and free software licenses are ___________.​


Definitions:

Double-Blind Procedure

A experimental setup in which neither the participants nor the experimenters know who is receiving a particular treatment, preventing bias in the results.

Illusory Correlation

The cognitive bias of perceiving a relationship between two variables even when no such relationship exists.

Placebo Effect

A phenomenon in which a person experiences a physiological or psychological improvement after receiving a treatment with no therapeutic value.

Empirical Approach

A method of inquiry that relies on direct, systematic observation and experimentation as a way to acquire knowledge.

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