1.- Briefly describe the aim of the study presented in this paper.
2.- The paper presents the results of three experiments. Explicitly write the total sample size in experiments 1 and 2.
3.- The paper presents the results of three experiments. Explicitly indicate the unit of experiment 1.
4.- Regarding experiment 1, discuss the type of sampling.
5.- Regarding Experiment 1, indicate the factor and its levels.
6.- Regarding Experiment 1, discuss the type of experimental design and explicitly name it.
7.- Did the researchers follow ethical principles? Explicitly mention all three ethical principles and indicate whether there is evidence in the paper that each of them were followed.
8.- Explicitly discuss what is “the critical item” in a DRM list.
9.- The data set you are analyzing in the lab includes values of variables also measured in this paper (on different samples). Discuss the differences between the data set analyzed in this paper and the data set used in the lab. Make sure to explicitly mention at least one quantitative variable measured in the lab data set but not in this paper.