1. A computer-implemented method for evaluating psychological status or disorders, comprising: obtaining personal characteristics of client from questionnaire; receiving a colored pattern from the client; rating color-related elements of pattern colorings in the received colored pattern; rating performance-related elements, said performance-related elements comprising completeness and accuracy of the pattern colorings; determining, using at least one computer processor, a degree of concentration of the pattern colorings; analyzing the pattern colorings by invoking predetermined knowledge from a knowledge base stored in memory relevant to the rated color-related elements, the rated performance-related elements, the determined degree of concentration, and the obtained personal characteristics; and detecting changes in evaluations or interpretations of psychological status or disorders based on differences between the analyzed pattern colorings and other analyzed pattern colorings of the client.