The phrase "and effectiveness of different" is not complete and lacks context, but it is grammatically correct.
You can use it when discussing the effectiveness of various items, methods, or approaches in a comparative context.
Example: "The study focused on the efficiency and effectiveness of different teaching strategies in improving student engagement."
Alternatives: "and efficacy of various" or "and performance of diverse".
Despite the disadvantages of pethidine, there are few large studies comparing the relative side effects and effectiveness of different opioids in labour and systematic reviews comparing parenteral opioids in labour have suggested a need for well-designed and suitably-sized trials of pethidine versus other opioids [ 8, 9].
Automakers agreed to the measures, but there will be an interim assessment in 2017 to review both the cost and effectiveness of different approaches.
So for the new study, which was published in JAMA Neurology, the researchers decided to treat exercise as if it were a drug and carefully track the safety and effectiveness of different "doses" of exercise in a formal Phase 2 clinical trial.
A systematic study regarding the sensitivity and effectiveness of different parameter settings needs to be undertaken.
Monte Carlo simulations are carried out to evaluate and verify the performance and effectiveness of different modules as well as the overall method.
To compare the costs and effectiveness of different stents (DES and BMS), Bäumler et al. [10] only included patients who underwent PCI treatment due to their first incidence of AMI.
Objective: To examine the costs and effectiveness of several different options for AED deployment in the US commercial air transportation system.
However, longitudinal controlled studies comparing the efficacy and effectiveness of the different treatment options for specific clinical stage are lacking.
However, qualitative evidence can be difficult to search for and identify, and the effectiveness of different types of search strategies is unknown.
This makes it possible to track and report algorithms and the effectiveness of different response program components under particular preconditions.
Simons et al estimated incremental costs and cost effectiveness of user-defined vaccination strategy using a measles strategic planning tool that was developed to facilitate analysis of national immunization and surveillance data and cost effectiveness of different vaccination strategies [ 24].
