What is the diligent search for an answer or a solution to a problem called?

is a diligent search for an answer or a solution to a problem.

Research

Explanation:

Research is a deliberate attempt to find answer or solution to a problem along with help of observation, study, survey, comparison, literature review and experimentation.  

It is in other way a search for knowledge through systematic way of finding solutions to a problem.  

The research methodology comprises of following stages –  

Stage  I – Observing a problem

Stage II – Formulating a hypothesis

Stage III – Collecting the data

Stage IV – Analysis of facts and data

Stage V – Finding a solution or reaching a conclusion

meiosis is required for sexual reproduction

the answer is; comparing the frequency of collisions with and without the device

this makes the anti-collision system an independent variable and the collisions a dependent variable. if there are fewer collisions with an anti-collision system that without, then it can be stated that the system is a success. essentially, collisions under an anti-collision system are compared with the frequency of collisions by cars with the human drivers.