Ka dibna ka jawaab su'aasha ka dibna afka isla sida marinka: Passage: Documenting and presenting the results of the study.Experiments on human behavior have special concerns. The famous Hawthorne study examined changes to the working environment at the Hawthorne plant of the Western Electric Company. The researchers were interested in determining whether increased illumination would increase the productivity of the assembly line workers. The researchers first measured the productivity in the plant, then modified the illumination in an area of the plant and checked if the changes in illumination affected productivity. It turned out that productivity indeed improved (under the experimental conditions). However, the study is heavily criticized today for errors in experimental procedures, specifically for the lack of a control group and blindness. The Hawthorne study refers to that finding an outcome itself (in this case, worker productivity) changed due to productive observation. The Hawthorne study became interested in determining whether increased illumination would increase the productivity of the assembly line workers. The researchers first measured the productivity in the plant,
tijaabooyinka tijaabada ah, gaar ahaan la'aanta kooxda koontaroolka iyo indho la'aanta