Based on the research studies and situation described, according to Levinson, Jensen is in the Novice phase of adult development.
Daniel Levinson was a famous researcher whose interest centered on different stages of life from childhood to old age.
Daniel Levinson concluded that early adulthood lies between the ages of 17 to 45.
This early adulthood is then categorized into two, the novice phase between 17 to 33 and the culminating phase, which is between 33 to 45.
Thus, given that Jensen is 25, it is concluded that according to Levinson, Jensen is in the Novice phase of adult development.
Hence, in this case, it is concluded that the correct answer is "Novice."
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