Which Action Represents the Nurse Researcher's Attempt at Constancy in Data

question 15

Multiple Choice

Which action represents the nurse researcher's attempt at constancy in data collection to control extraneous variables in a study examining the effect of hormone replacement therapy on bone-density loss in postmenopausal women?

• A) Drawing the blood at the same time of day for all subjects
• B) Having the same phlebotomist drawing the blood from all subjects
• C) Using the same room for drawing blood from all subjects
• D) Ensuring that all subjects were postmenopausal women taking hormone replacement therapy

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Definitions:

Source Documents

Original records or documents that provide evidence of transactions and details necessary for accounting, such as invoices, receipts, and contracts.

Equity Accounts

Accounts that represent the owner's interest in the company, including capital stock, retained earnings, and sometimes dividends.

Accounting Process

The systematic approach to recording, classifying, summarizing, and reporting a business's financial transactions.

Journal Entry

A record in accounting that notes the details of a financial transaction, showing which accounts are affected and by what amounts.