A Scientist Is Conducting a Research Study on Sleep and Learning.She

question 4

Multiple Choice

A scientist is conducting a research study on sleep and learning.She questions her own objectivity and decides to let a third person,who is not associated with conducting the experiment,score the tests.The scientist is probably trying to eliminate

• A)researcher bias.
• B)sample bias.
• C)control bias.
• D)treatment bias.

---

Definitions:

Materials Standards

Predetermined benchmarks for the cost and quantity of materials used in the production process.

Materials Price Variance

The difference between the actual cost of materials and the expected (or standard) cost, indicating how efficiently materials are being purchased.

Standard Price

A predetermined price that a company aims to pay for materials, labor, and other costs, used for budgeting and performance evaluation.

Raw Material

The basic material from which a product is made, typically unprocessed or minimally processed before being used in manufacturing processes.