The phrase "are effective in improving" is correct and usable in written English.
You can use it when discussing the efficacy of methods, strategies, or interventions in enhancing a particular outcome or condition.
Example: "The new training programs are effective in improving employee productivity and morale."
Alternatives: "are successful in enhancing" or "prove beneficial in increasing".
While psychopharmaceutics are effective in improving positive symptoms, their effectiveness on negative symptoms is limited [ 2, 9].
For interventions that are effective in improving adherence, we then assessed their effectiveness in improving health, health care utilization, and adverse events.MEDLINE®, the Cochrane Library.
There is weaker evidence that relaxation training may be combined with preventive drug therapy (i.e. propranolol, amitriptyline) to achieve additional improvement in migraine relief and that aerobic exercises are effective in improving quality of life [17, 20].
Overall, the results indicate that both treatments are effective in improving pain intensity, disability and school absence, in line with previous effectiveness studies [ 4, 5, 11, 12].
Our team is studying whether text-based reminders are effective in improving people's attendance at legal events.
Results show that both the compensation strategies are effective in improving the tracking accuracy.
Our experimental results suggest that the rules derived are effective in improving robot behaviour.
The truss-like elements are effective in improving resistance and reducing damage and, therefore, they enhance the displacement capacity.
The predicted results indicate that the assumed stress and electric displacements are effective in improving the element accuracy.
Preliminary test results suggest that the buckling restrainers are effective in improving the energy dissipation capacity of the SPSWs.
Longitudinal stiffeners are effective in improving the overall performance of concrete-filled square or rectangular thin-walled steel tubular columns.
