If an employee comes to work with a bandage it cut he shouldif an employee comes to work with a bandage or a cut he should do the following

First of all the employee MUST make sure that the bandages are clean and sterilized before entering work premises. The immediate superior must be informed of the situation in order to assess the situation and decided if the employee is in conditions to work and that said wound does not poses a threat to the higiene of the work environment.

Hope this helps!

this null effect is caused by a weak manipulation and ineffective internal validity. in a scientific study, as the one dr. morimoto is trying to perfom, internal validity refers to the confidence placed in the cause-effect relationship and to how well an experiment is done and able to eliminate confounding variables.