the waiting period is two days.
the clean period is a week.
so if you do drugs it takes a week to get it out of your system and two days to discover if it's there or not.
anything that is not being tested in an experiment but may affect the results that you get.
Yes, results are currently being disputed
Control
control
First of all, it depends on what is being tested. Secondly, positive results are just as likely as negative.
So you can make sure the results you gain are only due to the independent variable and not a variable not being tested.
Get tested. I believe it is possible, so just get tested.
No. If they're not looking for THC, they're not going to find it.
So you can make sure the results you gain are only due to the independent variable and not a variable not being tested.
So you can make sure the results you gain are only due to the independent variable and not a variable not being tested.
About a 5% chance.
To help you conclude that no uncontrolled factors significantly influenced your results. To help you determine that your experimental results are valid To help control for factors that aren't being tested but might affect results