Which of the Following Is Necessary to Conduct a Study

question 20

Multiple Choice

Which of the following is necessary to conduct a study properly?

• A)Get a representative sample.
• B)Get a large enough sample.
• C)Decide whether or not the study should be an observational study or a randomized (controlled) experiment.
• D)All of the above.

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Definitions:

Mediates

Acts as a negotiator or intermediary between parties to help resolve a dispute or bring about an agreement.

Duchenne Smiles

Genuine smiles that involve contraction of both the zygomatic major muscle, which pulls up the corners of the mouth, and the orbicularis oculi muscle, which raises the cheeks and forms crow's feet around the eyes.

Life Expectancy

The average period that an individual is expected to live as determined by statistical measures, often influenced by factors such as genetics, lifestyle, and environment.

Photo Albums

Collections of photographs, often organized in a book or online, used to preserve and share memories.