Final answer:
Needs met ratings measure how well job needs are being satisfied, evaluate intervention effectiveness, and typically use a Likert scale ranging from 'Very satisfied' to 'Very dissatisfied', which can highlight areas for improvement.
Step-by-step explanation:
When it comes to assessing job satisfaction, needs met ratings play a crucial role. These ratings do indeed measure the extent to which needs are being met within the context of one's job. Such ratings are not only utilized to gauge the effectiveness of various interventions but also can serve to pinpoint areas in need of enhancement.
These ratings are most commonly expressed on a scale, typically employing a Likert scale which provides a five-point range from 'Very satisfied' to 'Very dissatisfied', allowing for nuanced responses that reflect varying degrees of job satisfaction. Therefore, points 1), 2), and 3) in the given options are correct in the context of job satisfaction measurement. In addition, by analyzing such ratings, employers and employees alike can identify specific facets of a job that may require improvements or additional support.