Worldwide,the Language Most Widely Spoken by Native Speakers Is

question 19

Multiple Choice

Worldwide,the language most widely spoken by native speakers is

• A) Hindi.
• B) Chinese.
• C) Arabic.
• D) English.

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Definitions:

Dependent Variable

A variable in an experiment that is expected to change as a result of changes made to the independent variable.

Placebo

A substance with no therapeutic effect, often used as a control in testing new drugs.

Participants' Expectations

The beliefs or assumptions held by individuals participating in a study or activity about what will happen, which can influence their behavior and the outcomes.

Experiments

A method of scientific investigation involving the manipulation of variables to test a hypothesis and observe the effects, often used to establish cause-and-effect relationships.