Random samples are used in population sampling situations when reviewing historical or batch data. The key to random sampling is that each unit in the population has an equal probability of being selected in the sample.
Individuals pursuing a career as an occupational therapist usually need to earn a post-baccalaureate degree from an accredited college or university or education deemed equivalent.  Education and training. A master's degree or higher in occupational therapy is the minimum requirement for entry into the field.
In terms of educational requirements, occupational therapists must have at least a masterâs degree. Their degree field must be in occupational therapy and they will need a state license to practice. Other important training to have includes CPR and BCLS.our first step in becoming certified to practice Occupational Therapy is to get your Bachelorâs degree. There are a few different choices for majors that will assist in becoming a certified occupational therapist.