Multiple Choice
Dr. Rodgers believes that people under high stress are more likely to develop cardiovascular disease. When he randomly selects 30 participants who have high-stress jobs, he finds that 26 of the participants develop cardiovascular disease. Based on the results Dr. Rodgers concludes that stress causes an increase in the incidence of cardiovascular disease. His reasoning is flawed because in this study:
A) he didn't formulate a hypothesis prior to conducting the study.
B) there was no control group for comparison.
C) there was no independent variable.
D) there was no dependent variable.
Correct Answer:
Verified
Correct Answer:
Verified
Q130: A study in which subjects of different
Q180: An association between increases in one variable
Q192: Explain the purpose and process of peer
Q259: When a correlation coefficient indicates a strong
Q267: Dr.Slocum is interested in studying brain lateralization,that
Q388: Which of the following is NOT a
Q389: An organized system of assumptions and principles
Q391: Imagine that the personality traits of conservatism
Q396: Replication relies upon a scientist's:<br>A) openness.<br>B) skepticism.<br>C)
Q397: Research methods are important for all of