The phrase "a broad spectrum of problems" is correct and usable in written English.
It can be used when discussing a wide variety of issues or challenges in a particular context.
Example: "The research highlighted a broad spectrum of problems faced by urban communities, ranging from housing to transportation."
Alternatives: "a wide range of issues" or "a diverse array of challenges."
This methodology was successfully applied by A. R. Katritzky's group (ARK) for more than 20 years to study a broad spectrum of problems related to drug design, prediction of physicochemical properties, chemical reactivity and biological activities, ADMET (Absorption, Distribution, Metabolism, Excretion, Toxicology), and technological properties of chemical compounds.
The YSR is a self-administered questionnaire that provides data on a broad spectrum of problems and competencies of young people in the 11 to 18 age group.
Conclusions: EWA, specifically developed to meet a broad spectrum of problems among women with AUDs, was more effective than TAU, a mixed gender programme.
These results suggest that a woman-only programme specifically developed to meet a broad spectrum of problems among women with AUDs could have a major impact on the lives of these women.
It is suggested that CADE's success across such a broad spectrum of problem types and complexities bodes well for its application to new and novel applications.
However, a closer inspection of the BPI items reveals that the questionnaire solely addresses hallucinatory symptoms and thought disorder, while the STIPO aims at a broader spectrum of problems including paranoid thinking, dissociation, and depersonalization.
But before it became the drug of choice for the 1960s counterculture, lysergic acid diethylamide had a previous existence – as an experimental medicine for a broad spectrum of psychological problems ranging from depression and addiction, to schizophrenia and obsessive compulsive disorder.
State, county and municipal governments are mainly in the business of buying services for their constituents, paying providers to tackle a broad spectrum of social problems -- health, education, employment, and justice, among others.
VHWs are trained through the MoHCC curriculum to respond to a broad spectrum of health problems.
However, the solution strategies are applicable to a broad spectrum of metabolic problems.
