Which Sentence Is Correctly Punctuated

question 43

Multiple Choice

Which sentence is correctly punctuated?

• A)Many companies are concerned with fake products being sold online and these companies are now hiring full-time employees to review websites.
• B)Many companies are concerned with fake products being sold online, and these companies are now hiring full-time employees to review websites.
• C)Many companies are concerned with fake products being sold online; and these companies are now hiring full-time employees to review websites.

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Definitions:

Random Assignment

The process of allocating subjects randomly to experimental and control groups in a study to ensure that each participant has an equal chance of being assigned to any group, thus reducing bias.

Correlational Studies

Studies in which the investigator analyzes the relationships among variables that were in place before the study, without manipulating those variables.

Placebo Effects

Observable or measurable changes in health or behavior resulting from the administration of a placebo, demonstrating the power of belief and expectation in the healing process.

Double-blind

A study design in which neither the participants nor the experimenters know who is receiving a particular treatment, to prevent bias in the results.