2. According to a January 2012, Yahoo! News article, blogging can help calm anxious teens. The study included161 Israeli high school students who were experiencing some level of social anxiety. The students were randomly divided into six groups. Four of the groups were assigned to blog, one group wrote in a private diary, and one group did nothing. Two of the blogging groups focused posts on their social problems, two did not. One group from each of those two options allowed comments on their posts. The researchers assessed all of the teen's social anxiety levels before and after the 10-week experiment. The greatest improvements in anxiety levels occurred in the group that blogged about their social problems and were open to comments.a) What were the treatments used in the experiment?b) ' Did the experiment include randomization? Explain.c) Did the experiment involve replication? Explain.d) What was the primary response variable of interest?e) The headline of "Blogging can help calm anxious teens" seems to indicate cause and effect. Do you think this is justified? Explain.A Discuss how data ethics should have been addressed in this study.

2. According to a January 2012, Yahoo! News article, blogging can help calm anxious teens. The study included 161 Israeli high school students who were experiencing some level of social anxiety. The students were randomly divided into six groups. Four of the groups were assigned to blog, one group wrote in a private diary, and one group did nothing. Two of the blogging groups focused posts on their social problems, two did not. One group from each of those two options allowed comments on their posts. The researchers assessed all of the teen's social anxiety levels before and after the 10-week experiment. The greatest improvements in anxiety levels occurred in the group that blogged about their social problems and were open to comments. a) What were the treatments used in the experiment? b) Did the experiment include randomization? Explain. c) Did the experiment involve replication? Explain. d) What was the primary response variable of interest? e) The headline of "Blogging can help calm anxious teens" seems to indicate cause and effect. Do you think this is justified? Explain. f) Discuss how data ethics should have been addressed in this study