Statistics is a diverse profession, with statisticians working in areas such as health care, manufacturing, defense, and national security, to name just a few. 1991) Officers Statistics in Defense and National Security (est. 1948) Officers Statistics and the Environment (est. 1992) Officers Statistics in Genomics and Genetics (est. Each area may make use of different methodologies and applications. 1981) Officers Business and Economic Statistics (est.
The Patient Health Questionnaire (PHQ) is a multiple-choice self-report inventory copyrighted by Pfizer Inc, that is used as a screening and diagnostic tool for mental health disorders of depression, anxiety, alcohol, eating, and somatoform disorders.
It is the self-report version of the Primary Care Evaluation of Mental Disorders (PRIME-MD), a diagnostic tool developed in the mid-1990s by Pfizer Inc.
Each item is scored on a 0-to-3 point scale (“not at all” to “nearly every day”).
Cut points of 5, 10, and 15 correspond to mild, moderate, and severe anxiety.
It is backed up by an extensive standardisation database, and it is purchased on a per report basis.
It is the result of a joint development project by Jurek Kirakowski and Nigel Claridge.Depending on the time period in question, this may or may not require a revision (i.e., if you are interested in depression over the last six months, you might alter the instructions), which could impact the validity of the measure.It has been observed that questionnaires are the most frequently used tools for usability evaluation.and includes questions regarding panic attacks (after the GAD-7 section).Though less commonly used, there are also brief versions of the PHQ-9 and GAD-7 that may be useful as screening tools in some settings. 1978) Officers Teaching of Statistics in the Health Sciences (est.