Protective custody. Protective custody is a type of imprisonment (or care) to protect a person from harm, either from outside sources or other prisoners. Many administrators believe the level of violence, or the underlying threat of violence within prisons, is a chief factor causing the need for PC units.
What are the two defining features of an experiment. for a good experiment, you need good manipulation skills (don't always ask the teacher what to do). each experiment must have a dependent, an independent and control variables. your lab report must have background info, aim, hypothesis, list of appar... view the full answer.
Experiments can be done in the field or in a laboratory. They can involve human or animal subjects. What distinguishes the type of experiment is the degree to which the experimenter can assign subjects to conditions. Three types are described here: True, Quasi- and Single-subject experiments. In a true experiment, subjects are randomly assigned to the treatment conditions (levels of the independent variable).