Complex sentence: Observation hours allow for onsite learning and real life practice; practicum may include actual fieldwork when the mentor is comfortable and believes the skills and the situation are aligned to make for an ethical completion of the job.
Split into simpler sentences: Observation hours allow for onsite learning and real life practice. Practicum may include actual fieldwork when the mentor is comfortable and believes the skills and the situation are aligned to make for an ethical completion of the job.