To strengthen an argument, it is necessary to add support from alternative sources. These will typically be quotations from experts or research into the topic. Finding multiple sources of studies to support the same main argument further strengthens the argument. For example; Various studies have also found a correlation between intelligence and crime. Moffitt et al. found that men with a lower IQ went on to commit two or more crimes by the age of twenty. Denno (1994) also tested the intelligence of nearly 1,000 children at different points in their life and found a consistent negative correlation between IQ and criminal behavior.
There is not a strong correlation between low levels of intelligence and crime. In fact, many types of crime require significantly high levels of intelligence in order to commit the crime.
- Why is this not a particularly strong argument?
- What evidence would strengthen their argument?