Parallel to the developments in the world, "psychological tests" in our country started as a "translation" movement of the tests developed in other countries at the beginning of the current century, and there was no development effort and effort on the tests. in today's sense, item writing, test design, application, item analysis, choosing good questions and preparing the posttest, conducting validity and reliability studies started in the mid-1950s. In the period since the 1950s, important institutions have been established in the fields of measurement techniques, psychological tests and test development in our country. the increasing demand for tests has led to the rapid development of psychology and psychological tests in our country compared to other branches. the psychological tests book focuses on "test development", "appropriate use of psychological tests and appropriate interpretation of the obtained scores", "introducing psychological tests, especially those in our country". This book is about psychological tests in undergraduate and partially graduate programs applied in psychology, psychological counseling, psychiatry, assessment and evaluation, program development, child development and education, vocational and technical education, special education, classroom teaching, social services and other related departments of universities. it has been prepared as a "textbook" that can be read. more than 5 stocks are offered to be sold at the campaign price. the listed price is valid until October 16, 2026. This publication is ideal for readers seeking insightful and educational content. Prepared by experienced authors and printed with high-quality materials. Great for students, educators, and curious minds.