:searchers studying the relationship between honesty} age and selfcontrol conducted an periment on let} children between the ages of 5 and 15. Participants reported their age} sex= d whether they were an only child or not. The researchers asked each child to toss a fair coin private and to record the outcome (white or black} on a paper sheet} and said they would ly reward children who report white. Half the students were explicitly told not to cheat and 3 others were not given any explicit instructions. In the no instruction group probability of eating was found to be uniform across groups based on child's characteristics. In the group at was explicitly told to not cheat, girls were less likely to cheat; and while rate of cheating in't vary by age for boys, it decreased with age for girls. (a) Identify the variables and their types. (b) What is ne main research question in this study?I (c) Identify the population of interest and the sample in this study. (d) IClomment on whether or not the results of the study can be generalized to the population and if the findings of the study can be used to establish causal relationships