The phrase "effective in gaining" is correct and usable in written English.
It can be used when discussing the success or efficiency of a method or strategy in achieving a desired outcome.
Example: "The new marketing strategy has proven to be effective in gaining customer loyalty."
Alternatives: "successful in obtaining" or "efficient in achieving".
Urban was also effective in gaining support for reform among the cities of northern Italy.
This procedure is claimed to be clinically effective in gaining changes in both anteroposterior and vertical skeletal mandibular position.
While this has been effective in gaining a more racially-representative student body, there is still a huge amount of socioeconomic inequality.
Limiting the product to invite-only and branding it for college students will clearly be effective in gaining market share.
Yes, students led teach-ins, speak-outs and rallies at school -- but none of this was very effective in gaining support from the mass of the student body.
Less coercive methods had not gained this kind of information in the past and were not effective in gaining this information after 9/11.
The capacity of neuroimaging techniques to map brain functioning has been tested effective also in gaining insights into people's intentions, views and attitudes.
An effective tool in gaining such an understanding is satellite remote sensing that provides periodic and synchronous Earth observations, particularly the SAR (synthetic aperture radar) microwave system, as it has the advantage over optical sensor systems of observing capability in both the daytime and nighttime and in any weather.
It has been more effective at "friend-raising," as in gaining supporters and engaging them in dialogue about a cause, than actual fundraising.
Given our results showing how effective the call intervention was in gaining QALYs, for values of a QALY around the NICE threshold the call intervention would be preferable.
As most people live most of their lives in families, life history interviewing is an effective approach for gaining in-depth insight into changing family relationships and relevant strategies.
