The mind map of psychometrics clearly displays scientific theories, research principles, and the three fundamental laws of psychological measurement. It elaborately explains methods of data collection and research objectives, with sub-topics further exploring key concepts such as reliability, validity, and scale development. This structured visual presentation aids learners in mastering complex measurement techniques, understanding quantitative methods in psychological research, and inspiring creative thinking for the development of new measurement tools.

This is a clear mind map detailing the content of scientific instruments, primarily explaining aspects such as psychological characteristic measurement, research support, and the inability to be used for diagnostic purposes. Each theme is further divided into multiple levels for detailed elaboration, such as developmental evaluation, construction and analysis of measuring instruments, etc. A mind map is a visual thinking tool that presents through a radial structure centered around an idea or problem. It consists of themes, branches, and keywords, aiming to mimic the neural network structure of the human brain. This graphical method helps to promote memory, organize information, and inspire creativity.