Answer:
ADMINISTRATIVE CONTROL
Explanation:
If a potential employee is required to undergo a drug screening an Administrative Control is what will be conducted on the employee because
Administrative controls are training, procedure, policy that limit or prevent exposure of an individual to hazards. Examples of administrative controls include training, supervision, timing of work. Administrative controls are also changes in work procedures such as written safety policies, rules, supervision which is the reason the employee has to undergo drug screening using Administrative controls.
Answer:
Explanation:
This is unsolvable if you have no variable substitutes
Answer:
Dependent sample t-test
Explanation:
The Dependent sample t-test compares the mean score of measurements in one group to that of another other group. It mainly used when analyzing comparable sample units as it pairs repeatable observations within a time frame.
For example, a researcher administered a measure of working memory to a group of subjects at 8am on Day 1 of the study and then again at 8am on Day 2 of the study, after keeping the subjects awake the entire night.