To Minimize the Extent to Which Outcome Differences Between Experimental

question 59

Multiple Choice

To minimize the extent to which outcome differences between experimental and control groups can be attributed to placebo effects,researchers make use of

• A) random sampling.
• B) the double-blind procedure.
• C) random assignment.
• D) operational definitions.

---

Definitions:

Newborn

A term for an infant from birth to a certain specified age, often up to one month old.

Work Accident

An unexpected event in the workplace causing physical or psychological injury to an employee.

Cardiac Pacemaker

A medical device implanted to regulate heartbeats, ensuring they maintain a normal rhythm and rate.

Battery Replacement

The process of replacing the energy source in a device or system, often referring to electronic devices.