Answer:
Developmental milestones may be achieved gradually
Explanation:
All aspects of personality are stable and do not change throughout one's life. Stage theories can also help researchers who are examining physical development examine discrete changes in the brain that allow certain developmental milestones to be reached.
Um, well let's see in my opinion it does everything but speak to you like on a smartphone... it gives dirctions a compas of north south east west it even gives latitude and longitude... maybe if u had some answer choices I could be of more help...
Major shifts, that is shifts in the paradigms, are not very frequent - they would make scientific research unstable, as any result of a smaller study could be made invalid by a paradigm shift,
minor changes however are quite common - basically every scientific study adds to the common knowledge and this also can be considered a minor change.
Therefore the best answer is
<span>Major
shifts in scientific views very rarely occur, but minor modifications
of prior knowledge are continually made based on new research.</span>