One of the Problematic Aspects of the Research into the Link

question 87

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 are correlational in nature and do not allow for conclusions as to causality.
• 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 lead people to interpret stressors differently and interfere with consistent conclusions.

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Definitions:

Alternative Hypothesis

A hypothesis that contradicts the null hypothesis by stating there is a statistically significant effect or relationship between variables.

Null Hypothesis

A default hypothesis that there is no significant difference or effect, used as a starting point for statistical hypothesis testing.

Alternative Hypotheses

A statement that directly contradicts the null hypothesis, suggesting that there is a significant difference or effect.

Population Mean

The average value of all the members of a population.