Answer:
A longitudinal study
Explanation:
A longitudinal study can be used to discover relationships between variables that are not related to various background variables. This observational research technique involves studying the same group of individuals over an extended period.
Answer:
compulsions
Explanation:
Compulsions are repetitive behaviors or mental acts that a person feels driven to accomplish. They are intended to reduce anxiety or even prevent something awful from happening. They usually bring no pleasure and only momentary relief from anxiety. They are usually a part of an OCD diagnosis.
<span>The white blood cells.</span>
