Respuesta :
The correct answer is letter A.
Explanation: Educational Psychology is a branch of Psychology focused on the teaching-learning process. It aims to improve this mechanism, both from the institution and student point of view. The work involves educational strategies, observation or functioning of the educational institution as a whole.
As a result of educational psychology, teacher preparation is affected as A. Educational psychology provides teachers with research-based principles to guide their teaching.
When teachers go through educational psychology, they are taught on ways to improve their teaching.
These ways will be based on research overtime that have proved efficient in helping students learn from teachers.
In conclusion, option A is correct.
Find out more on educational psychology at https://brainly.com/question/3951300.