Design a study Question 3 Marine iguanas do not really pay attention to humans Historically they have had no reason to fear them Now with the influx of tourists the iguanas are becoming more timid Conservationists are interested in the distance at which an iguana begins to show alarm with and without exposure to tourists Alarm is shown by a rapid head movement accompanied by a low clicking sound a Design an experiment to determine the distance at which iguanas become alarmed by human contact