The phrase "and frequency of violent" is not correct as it is incomplete and lacks context.
It could be used in a discussion about the occurrence of violent events, but it needs to be part of a complete sentence for clarity.
Example: "The study examined the causes and frequency of violent incidents in urban areas."
Alternatives: "and occurrence of violence" or "and rate of violent acts".
A comprehensive questionnaire was designed for a face-to-face interview in order to obtain detailed information about duration and frequency of the different types of violent acts above mentioned.
Over the 25-year period, the frequency of violent and sexual content occurring together remained stable.
In the first of two historical studies the researchers examined the correlation of violent films and societal violence, analysing the frequency of violent acts in the top-grossing titles between 1920 and 2005.
The preventive program aims to reduce the frequency of violent behavior of teachers and caretakers toward children and students, through the increasing use of new practices guided by New Way Discipline (NWD).
The frequency of violent crime in Nairobi is itself perhaps adverse comment enough upon the forces at work in postcolonial Africa.
The closures will mean that many children will have to venture into neighbourhoods other than their own to attend classes, which is causing concern among parents given the high frequency of violent crime in certain parts of the city.
A study of circumstances and demographics attendant on attacks against refugees and immigrants in Germany has shown that Facebook use appears to be deeply linked with the frequency of violent acts.
This comment is based on the frequency of violent pictures scattered throughout the book that suggest a fixation with the torments of the wicked.
A 60-year longitudinal study of juvenile delinquents concluded that very few show life-span high frequency of violent offending [5].
Neighbourhood security was assessed by items related to frequency of violent occurrences in the neighbourhood [ 73].
