The phrase "a plethora of interventions" is correct and usable in written English.
It can be used when discussing a wide variety or large number of actions or strategies taken to address a particular issue or problem.
Example: "The research team implemented a plethora of interventions to improve student engagement in the classroom."
Alternatives: "an abundance of interventions" or "a wide range of interventions".
There is a plethora of interventions an employer can choose from to redress their workforce inequalities, but how do they know which will be most effective?
The review revealed that there was a plethora of interventions used but a dearth of well designed studies.
Rather it appears that pay reform, recruitment activity and user-fee reform are among a plethora of interventions that are being introduced concurrently but with insufficient coordination.
As previously mentioned obesity is high on the Governments' agenda and as a consequence there is likely to be a plethora of intervention studies aimed at reducing maternal weight.
A plethora of cultural interventions across the area offer Londoners and tourists alike the chance to venture beyond the stadium and do some urban exploring.
Despite an incomplete understanding of mechanisms underlying preterm labour, a plethora of different intervention strategies have been attempted.
This has led to a plethora of centrally driven interventions.
A plethora of strategies and interventions have been designed to improve compliance to best practice hand hygiene.
A plethora of different treatment modalities is suggested, but decisions and rational on which the interventions are based are variable and often ambiguous.
The power of exon-based expression analyses lies in the identification of alternatively used transcripts in tumours, which can provide new insights into the aberrant circuits of the most aggressive tumour fraction, harbouring a plethora of options for therapeutic interventions.
Although there is a plethora of published information on intervention outcomes, there currently exists a "dearth of conceptual underpinnings and methodologies for conducting process evaluations"[ 25].
