PJ Conducts an Experimental Study on the Effects of Soft

question 5

Multiple Choice

PJ conducts an experimental study on the effects of soft music during high stakes science testing.He randomly assigns students at the school.In one condition he does not provide music for testing while in the other group he does provide the music.He administers a pretest at the beginning of the year and a posttest at the end of the year.PJ's design is best described as a:

• A)Static group comparison
• B)Pretest-posttest control group design
• C)Control-group-time-series design
• D)Nonrandomized control-group pretest-posttest design

---

Definitions:

Respiratory Rate

The number of breaths a person takes per minute, a vital sign used to assess respiratory function.

Diagnostic Format

A structured approach or methodology used by healthcare providers to determine the nature or cause of a patient's condition.

Imbalanced Nutrition

A condition where nutritional intake does not meet the body's needs, leading to undernutrition or malnutrition.

Increased Respiratory Rate

A condition where breathing rate is higher than normal, which can be a response to various stimuli, including exercise or medical conditions.