Color blindness (or color vision deficiency), is a condition where a personâs eyes are unable to see colors under normal light. People with color blindness have a hard time telling colors apart from each other.
The formal requirements for the doctoral (PhD) degree are as follows: 1  Payment of six semesters of full-time tuition (or five semesters if credit for previous graduate work has been approved) 2  Major and related courses. 3  Foreign language(s) in many departments.  Training in the Responsible Conduct of Research.
In the public health field, PhD programs at many public universities cost between $8,000 and $12,000. Premier public university programs begin at around $17,000, while private university tuition is generally over $30,000.