The following are all examples of real-life stories about vasovagal symptoms during bowel movements: The bad part is that, with the rectal pain, I will begin to have a vagus response: my throat will tighten, I will begin salivating, get hot and sweaty.
Confounding occurs when the experimental controls do not allow the experimenter to reasonably eliminate plausible alternative explanations for an observed relationship between independent and dependent variables. Consider this example.
A cursor variable: 1  Can be the target of either a cursor type or another cursor variable. For more information, see SET @local_variable (Transact-SQL). 2  Can be referenced as the target of an output cursor parameter in an EXECUTE statement if the cursor variable does not have a cursor currently assigned to it.