Relative to experiments, correlational studies

A) do not yield as much information about cause-effect relationships.
B) are often distorted by the Hawthorne effect.
C) require excessive manipulation of the group situation.
D) do not provide an index of the magnitude of the relationship between variables.

Correlational Studies

Research methodologies that examine the relationship between two or more variables to determine whether a correlation exists.

Cause-Effect Relationships

The principle that an action or event (cause) will produce a certain response or outcome (effect).

Hawthorne Effect

The alteration of behavior by the subjects of a study due to their awareness of being observed, as first identified in research at the Hawthorne Works plant.