One of the Problematic Aspects of the Research into the Link

question 161

Multiple Choice

One of the problematic aspects of the research into the link between stress and illness is that

• A) separate control groups are not able to be created due to ethical constraints
• B) the data is correlational in nature and does not allow for conclusions as to casuality
• C) subjects are only able to be followed for limited time periods so it is difficult to determine the long-term impact of the stressor
• D) subjective cognitive appraisal differences leads people to interpret stressors differently and interferes with consistent conclusions

---

Definitions:

Coefficient Of Determination

A measure that represents the proportion of the variance in the dependent variable that is predictable from the independent variable(s).

Test Statistic

A value calculated from sample data during hypothesis testing, used to determine whether to reject the null hypothesis.

Coefficient Of Determination

A statistical measure represented by \(R^2\), indicating the proportion of the variance in the dependent variable that is predictable from the independent variable(s).

Explanatory Variable

A variable in a statistical model that is believed to influence or cause changes in a dependent variable.