Question: 3. In An Art Therapy Study, Participants Who Suffer From Post-traumatic Stress Disorder Are Randomly Assigned To Either Complete A Daily Sketchbook Exercise – Or – A Daily Word Puzzle Task. They Then Are Assigned To A Control Case (nothing More Happens) Or A Condition Where They Meet With A Weekly Group To Discuss Their Sketches Or The Word Puzzles …

3. In an art therapy study, participants who suffer from post-traumatic stress disorder are randomly assigned to either complete a daily sketchbook exercise – or – a daily word puzzle task. They then are assigned to a control case (nothing more happens) or a condition where they meet with a weekly group to discuss their sketches or the word puzzles they’ve worked on during the past week. The key idea is that sketching can help people form new connections paving the way for improved communication alleviating some of the trauma symptoms. The participants’ PTSD scores (0 to 30) are measured after one month of the study. Control Weekly Discussion Sketching 18 11 Word Puzzles 22 16 For each of the following studies, complete the following: a) Compute the overall means of each independent variable (i.e., the row and column averages) b) Create a bar graph for the means of each of the groups c) Identify whether there are any main effects and/or interaction effects