Answer: The most effective leader behaviour of this approach will be DELEGATING leader approach.
Explanation: The delegating leader is an individual that is exceptionally skilled in the commitment of task to someone especially subordinates. In this method, the subordinates get to make all decisions and choices, which they are then responsible for.
In this question, the leader only needs to instruct them on what to do to set up the camp site, from there, the boys scout are totally responsible for what happens.
Your body begins the decomposition process.
Answer: This is a "CONTROLLED PLACEBO EXPERIMENT".
Explanation: A controlled placebo experiment is a type of research method that is used to check the effectiveness of a drug in a patient. This is done by selecting a sample group, then randomly divide the two group into a placebo group ( this are the group that will receive the drug treatment ) and the controlled group( these are the group that will receive a coloured mixture that looks like the drug, but does not have any effect). Without the groups knowledge about the real drugs and the coloured mixture, but are followed up and tested.
This is a controlled placebo experiment, because 400 student has been choosed as the sample, and are divided into a placebo group and a controlled group, to check the effectiveness of a drug on their memory.