After Reading the Description Below, Determine Whether the Study Is

Essay

After reading the description below, determine whether the study is an observationalor experimental study. Justify your answer with specific references to theinformation in the study."We compared paired daytime and night counts of wild brook trout, browntrout, and rainbow trout made by the same snorkelers in five streamsduring August. Overall, we counted 109 trout in the daytime and 333trout at night. We speculate that trout counted at night were presentduring the daytime but were hidden from view. Biologists should considerthat trout behavior and visibility might vary between daytime and night,even during summer. In some streams, the majority of trout may not beseen during the daytime."