1. Bitsko RH, Holbrook JR, Ghandour RM, Blumberg SJ, Visser SN, Perou R, et al. Epidemiology and impact of health care provider–diagnosed anxiety and depression among us children. J Dev Behav Pediatr. 2018;39(5):395–403. [
DOI]
2. Nasiri M, Mohammadi M, Ahmadi N, Alavi S, Rezazade H, Ostovar Rostami F, et al. The epidemiology of psychiatric disorders in children and adolescents in Mazandaran province. J Babol Univ Med Sci. 2019;21(1):314–19. [
DOI]
3. Sarraf N, Mohammadi MR, Ahmadi N, Khaleghi A, Gharibi S, Atapour H, et al. Epidemiology of children and adolescents psychiatric disorders in Qazvin central areas 2016–2017 (a national project). J Qazvin Univ Med Sci. 2019;22(6):164–77. [Persian] [
DOI]
4. Molavi P, Mohammadi MR, Khaleghi A, Mohammadi Moghadam N. Prevalence of psychiatric disorders in children and adolescents in Ardabil province: a population-based study. J Ardabil Univ Med Sci. 2018;18(2):240–51. [Persian] [
DOI]
5. Swan AJ, Kendall PC. Fear and missing out: youth anxiety and functional outcomes. Clinical Psychology: Science and Practice. 2016;23(4):417–35. [
DOI]
6. Poppleton A, Ramkission R, Ali S. Anxiety in children and adolescents. InnovAiT. 2019;12(11):635–42. [
DOI]
7. Macul Ferreira De Barros P, Polga N, Szejko N, Miguel EC, Leckman JF, Silverman WK, et al. Family accommodation mediates the impact of childhood anxiety on functional impairment. J Anxiety Disord. 2020;76:102318. [
DOI]
8. Essau CA, Lewinsohn PM, Lim JX, Ho Moon Ho R, Rohde P. Incidence, recurrence and comorbidity of anxiety disorders in four major developmental stages. J Affect Disord. 2018;228:248–53. [
DOI]
9. Carleton RN. Into the unknown: a review and synthesis of contemporary models involving uncertainty. J Anxiety Disord. 2016;39:30–43. [
DOI]
10. Clarke E, Kiropoulos LA. Mediating the relationship between neuroticism and depressive, anxiety and eating disorder symptoms: the role of intolerance of uncertainty and cognitive flexibility. J Affect Disord Rep. 2021;4:100101. [
DOI]
11. Buhr K, Dugas MJ. The Intolerance of Uncertainty Scale: psychometric properties of the English version. Behav Res Ther. 2002;40(8):931–45. [
DOI]
12. Bottesi G, Marchetti I, Sica C, Ghisi M. What is the internal structure of intolerance of uncertainty? a network analysis approach. J Anxiety Disord. 2020;75:102293. [
DOI]
13. Ren L, Wei Z, Li Y, Cui LB, Wang Y, Wu L, et al. The relations between different components of intolerance of uncertainty and symptoms of generalized anxiety disorder: a network analysis. BMC Psychiatry. 2021;21(1):448. [
DOI]
14. Papenfuss I, Lommen MJJ, Grillon C, Balderston NL, Ostafin BD. Responding to uncertain threat: a potential mediator for the effect of mindfulness on anxiety. J Anxiety Disord. 2021;77:102332. [
DOI]
15. Rifkin LS, Kendall PC. Intolerance of uncertainty in youth: psychometrics of the intolerance of Uncertainty Index-A for Children. J Anxiety Disord. 2020;71:102197. [
DOI]
16. Yao N, Yang Y, Jiang Y, Rodriguez M. Intolerance of uncertainty relates to anxiety and depression through negative coping and worry: evidence from a repeated-measures study. J Cogn Ther. 2022;15(1):42–56. [
DOI]
17. Koerner N, Dugas MJ. An investigation of appraisals in individuals vulnerable to excessive worry: the role of intolerance of uncertainty. Cogn Ther Res. 2008;32(5):619–38. [
DOI]
18. Birrell J, Meares K, Wilkinson A, Freeston M. Toward a definition of intolerance of uncertainty: a review of factor analytical studies of the Intolerance of Uncertainty Scale. Clin Psychol Rev. 2011;31(7):1198–208. [
DOI]
19. Krain AL, Gotimer K, Hefton S, Ernst M, Castellanos FX, Pine DS, et al. A Functional magnetic resonance imaging investigation of uncertainty in adolescents with anxiety disorders. Biol Psychiatry. 2008;63(6):563–8. [
DOI]
20. Krain AL, Hefton S, Pine DS, Ernst M, Xavier Castellanos F, Klein RG, et al. An fMRI examination of developmental differences in the neural correlates of uncertainty and decision-making. J Child Psychol Psychiatry. 2006;47(10):1023–30. [
DOI]
21. Comer JS, Roy AK, Furr JM, Gotimer K, Beidas RS, Dugas MJ, et al. The Intolerance of Uncertainty Scale for Children: a psychometric evaluation. Psychol Assess. 2009;21(3):402–11. [
DOI]
22. Rifkin LS. The role of intolerance of uncertainty in the treatment of anxious youth [PhD dissertation]. [Philadelphia, US]: The Temple University; 2022. [
DOI]
23. Brace N, Kemp R, Snelgar R. SPSS for psychologists: a guide to data analysis using SPSS for Windows. UK: Macmillan Education; 2006.
24. March JS, Parker JDA, Sullivan K, Stallings P, Conners CK. The Multidimensional Anxiety Scale for Children (MASC): factor structure, reliability, and validity. J Am Acad Child Adolesc Psychiatry. 1997;36(4):554–65. [
DOI]
25. Conners CK. CRS–R: Conners’ Rating Scales–Revised: technical manual. North Tonawanda, NY: Multi-Health Systems; 2001.
26. Ivarsson T. Normative data for the Multidimensional Anxiety Scale for children (MASC) in Swedish adolescents. Nord J Psychiatry. 2006;60(2):107–13. [
DOI]
27. Mashhadi A, Soltani Shal R, Mirduraghi F, Bahrami B. Vizhegi haye ravan sanji meghyas chand bodi ezterab koodakan [Psychometric properties of Children's Multidimensional Anxiety Scale]. Journal of Applied Psychology. 2012;6(1):70–87. [Persian] [
Article]
28. Conners CK, Sitarenios G, Parker JDA, Epstein JN. The Revised Conners’ Parent Rating Scale (CPRS-R): factor structure, reliability, and criterion validity. J Abnorm Child Psychol. 1998;26(4):257–68. [
DOI]
29. Shehaeiyan A, Shahim S, Bashash L, Yousefi F. Hanjar yabi tahlil ameli va payayi forme kootah vizheye valedeyn meghyas daraje bandi Conners baraye koodakan 6 ta 11 sale dar shahre Shiraz [Normalization, factor analysis and reliability of short form for parents of Connors Rating Scale for Children Aged 6 to 11 in Shiraz city]. Journal of Psychological Studies. 2007;3(3):97–120. [Persian] [
Article]
30. Lawshe CH. A quantitative approach to content validity. Personnel Psychology. 1975;28(4):563–75. [
DOI]
31. Waltz CF, Bausell RB. Nursing research: Design, statistics, and computer analysis. FA Davis company;1981.
32. Tabachnick BG, Fidell LS. Using multivariate statistics. 6th edition. Boston: Pearson Education; 2013.
33. Nunnally JC, Bernstein IH. The assessment of reliability. Psychometric Theory. 1994;3:248–92.
34. Kline RB. Principles and practice of structural equation modeling. 4th edition. New York: Guilford Press; 2015.
35. Mulaik SA, James LR, Van Alstine J, Bennett N, Lind S, Stilwell CD. Evaluation of goodness-of-fit indices for structural equation models. Psychol Bull. 1989;105(3):430–45. [
DOI]
36. Ercan I, Yazici B, Sigirli D, Ediz B, Kan I. Examining Cronbach alpha, theta, omega reliability coefficients according to sample size. J Mod App Stat Meth. 2007;6(1):291–303. [
DOI]