If psychologists are making suggestions for how to change behavior, then they are demonstrating which goal of psychology? predict
control
explain
observe

clinically, some people often have repeated allergies, eczema and respiratory infections or other parts of the infection, in this case, in addition to some routine tests such as tests for white blood cells, immunoglobulin series, lymphocyte subsets, etc., the five immune immunoglobulin tests are also necessary.

the denominator has a very specific role.