After reading the article, "The contribution of illness perceptions and metacognitive beliefs to anxiety and depression in adults with diabetes"

https://www.researchgate.net/profile/Peter-Fisher-9/publication/321470646_The_contribution_of_illness_perceptions_and_metacognitive_beliefs_to_anxiety_and_depression_in_adults_with_diabetes/links/5a8d3c87458515a4068b7288/The-contribution-of-illness-perceptions-and-metacognitive-beliefs-to-anxiety-and-depression-in-adults-with-diabetes.pdf

Answer the followings please:

1. Summarize the article
2. list the statistical techniques used in the research project from the followings

• Descriptive statistics: mean, median, standard deviation, numbers (N, n), proportions (percentages), graphs (scatter, histogram, pie chart, bar chart)
• Inferential statistics: simple linear regression, multiple linear regression, chi-square test, t-test, wilcoxon signed rank test, McNemar's test, correlation, kruskal-wallis test, ANOVA, etc.