(OLOKAI)O METHOD 1IAS DONE MITII HIT IS NOT YET REAL SUCCESSNew York. Jan. 25—The Roc ke- j feller plan of employes’ representation, which was introduced in the imines of the Colorado Fuel and Iron company immediately following the famous strike of 1913 and which has since been adopted in hundreds of other plants, has proved to be only a partial success, acccording to a preliminary report made public today by the Russell Sage Foundation, which since 1919 has been studying the operation of this and other plans for giving wage-earners a share in the management of industry. The full report, covering 500 printed pages, will be issued within the next moiUh.In making the report public, Mary Van Kleek, director of the Foundation s department of industrial studies, said it has a threefold significance for industry generally and for the country at large: it reveals the underlyingcauses of the perennial controversy between coal miners and mine tp-erators; it is the first impartial appraisal of the most prominent experiment in employes’ representation—an experiment which was the forerunner of the shop committees. works councils, and similar projects introduced in about 1,000 companies within recentyears in an effort to solve labor difficulties; it points the way to atermination of the conflict between the employers interested in employes’ representation plans and organized labor which has thus far bitterly opposed such plans in the belief that they set up “company unions” designed to replace labor unions.Plan of King.The industrial representation plan was developed by W. L. Mackenzie King, now premier of Cana-ada, at the request of John D. Rockefeller, Jr., the report says,