A medical doctor believes that the presence of
aromatherapy will reduce the anxiety of first-time mothers-to-be during labor and will increase their reported satisfaction with their care at his hospital. He randomly assigns mothers to give birth in a room either with or without aromatherapy. What is the independent variable in this example?
A) Anxiety level during labor
B) Number of previous birthing experiences
C) Presence or absence of aromatherapy
D) Satisfaction with hospital care
Answer: C
You might also like to view...
Researchers prefer to select participants who accurately represent the larger population that the researchers are interested in. This type of a group is called a _________ sample
a. double-blind b. cross-cultural c. volunteer d. representative
What effect does watching food commercials have on the eating habits of viewers?
a. Food commercials generally have little to no effect on eating habits. b. People are more likely to eat the specific product being advertised in the commercial, but not other unrelated foods. c. Snacking in general is more likely after viewers watch a food commercial. d. The eating habits of adults are influenced more by food commercials than are the eating habits of children.
Which of the following is descriptive of Skinner's theory?
a. His system was hypotheticodeductive in its approach. b. The causes of behavior were with the person. c. Relational statements were objective and descriptive. d. He emphasized intervening variables.
A ______ is a framework that represents a set of interconnected ideas in an original way and inspires further research
the scientific method a theory a research study a hypothesis