Because that's what the chose to use....
Why don't you ask them?
The DSM-IV is a widely used system for classifying and diagnosing mental health disorders. It provides criteria for identifying different mental health conditions based on symptoms, behaviors, and other factors.
Caffeine is the most widely used psychotropic drug in the world. It is found in coffee, tea, energy drinks, and some medications. It is known for its stimulating effects on the central nervous system, improving alertness and reducing fatigue.
Caffeine is the most widely used psychotropic drug in the world. It is found in coffee, tea, and many other beverages and foods.
The Big Five personality traits are widely used and recognized worldwide. These traits include openness, conscientiousness, extraversion, agreeableness, and neuroticism, and are used to assess and describe individual differences in personality across cultures.
The most widely used intelligence test is the Wechsler Adult Intelligence Scale (WAIS) for adults and the Wechsler Intelligence Scale for Children (WISC) for children. These tests are widely used by psychologists to measure cognitive abilities in various domains such as verbal comprehension, perceptual reasoning, working memory, and processing speed.
Two widely used research methods in psychology are experiments, which involve manipulating variables to observe their effects on behavior, and surveys, which involve collecting self-reported data from participants to analyze relationships between variables.
MS-DOS was the first widely used operating system
CGS is NOT widely used. It was in the past. The only system of measurement that is widely used today is the SI, which is a variety of MKS.
The most popular marketing information system is the marketing information system that is the most widely used. This system is used widely due to its popularity.
Windows is the most widely-used desktop operating system made by Microsoft.
The U.S. customary system
the Henry system
Incident Command System is a widely used and accepted tool for command, control, and coordination of a disaster response.
Incident Command System is a widely used and accepted tool for command, control, and coordination of a disaster response.
disk operating system
It means that it is the fourth edition of the DSM.
One of the most popular and widely used operating system is Microsoft Windows. It is compatible with most devices and has proved to be user-friendly.
The International System of units (SI units)