Publications

Arslan, G., Albertova, S. M., Bulus, M., & Coskun, M. (2023). Resilient mindset and psychological distress among college students: a latent profile analysis approach to understanding the complete mental health. Revise & resubmit. 

Bulus, M., Gocer-Sahin, S., & Evran, D. (2023). Kültürlerarası ölçek uyarlamada grup yanlılıklarının test edilmesi [Testing group biases in cross-cultural scale adaptation]. Revise & resubmit. 

Cicek, I., & Bulus, M. (2023). Spirituality as predictor of psychological resilience and anxiety among hemodialysis patients. Revise & resubmit. 

Bulus, M. (2023). The effect of scale reliability on bias and precision in (non-equivalent) pretest-posttest control-group designs: A Monte Carlo simulation. In preparation for submission.

Bulus, M., Dong, N., Kelcey, B., & Spybrook, J. (2023). PowerUpR: Power analysis stools for multilevel randomized experiments. In preparation for submission.

Bulus, M., & Dong, N. (2023). Minimum detectable effect size computations for multisite (blocked) individual-level regression discontinuity studies. In preparation for submission.

Cicek, I., & Bulus, M. (2023).  Does Psychological Resilience Mediate the Relationship between Cyber-bullying and Anxiety-Depression-Stress Triad? In preparation for submission.

Erdimez, O., & Bulus, M. (2023). Teacher bias in nominating students for a gifted program: Gender and service status moderation. In preparation for submission.

Kontas, H., Bulus, M., & Ozcan, B. (2023), Cognitive processes subscales of reading literacy as predictors of science and math achievement. In preparation for submission.

Ozcan, B., & Bulus, M. (2023). The role of metacognitive strategies in academic achievement in collectivist versus individualist nations: Evidence from PISA 2018 large scale assessment. In preparation for submission.

POWER ANALYSIS

Bulus, M., & Polat, C. (in press). pwrss R paketi ile istatistiksel güç analizi [Statistical power analysis with pwrss R package]. Ahi Evran Üniversitesi Kırşehir Eğitim Fakültesi Dergisi. https://osf.io/ua5fc/download/ 

Bulus, M. (2022). A practical guide to designing cost-efficient randomized experiments in education research: From pilot studies to interventions at scale. Pamukkale University Journal of Social Sciences Institute, 51(1), 129-147. https://doi.org/10.30794/pausbed.1078211 

Bulus, M., & Dong, N. (2022). Consequences of ignoring a level of nesting on design and analysis of blocked three-level regression discontinuity designs: Power and Type I error rates.  Adiyaman University Journal of Educational Sciences, 12(1), 42-55.  https://doi.org/10.17984/adyuebd.1068923 

Bulus, M. (2021). Minimum detectable effect size computations for cluster-level regression discontinuity: Specifications beyond the linear functional form. Journal of Research on Education Effectiveness. Advance online publication. https://doi.org/10.1080/19345747.2021.1947425 

Dong, N., Spybrook, J., Kelcey, B., & Bulus, M.  (2021). Power analyses for moderator effects with (non)random slopes in cluster randomized trials. Methodology, 17(2), 92-110.  https://doi.org/10.5964/meth.4003 

Bulus, M. (2021). Sample size determination and optimal design of randomized/non-equivalent pretest-posttest control-group designs. Adiyaman Univesity Journal of Educational Sciences, 11(1), 48-69. https://doi.org/10.17984/adyuebd.941434  

Bulus, M., & Koyuncu, I. (2021). Statistical power and precision of experimental studies originated in the republic of turkey from 2010 to 2020: Current practices and some recommendations. Journal of Participatory Education Research, 8(4), 24-43.  https://doi.org/10.17275/per.21.77.8.4 

Bulus, M., & Dong, N. (2021). Bound constrained optimization of sample sizes subject to monetary restrictions in planning multilevel randomized trials and regression discontinuity studies. The Journal of Experimental Education, 89(2):379-401. https://doi.org/10.1080/00220973.2019.1636197

Bulus, M., & Sahin, S. G. (2019). Estimation and standardization of variance parameters for planning cluster-randomized trials: A short guide for researchers. Journal of Measurement and Evaluation in Education and Psychology, 10(2):178. https://doi.org/10.21031/epod.530642

MODERATION APPLICATIONS

Dong, N., Curenton, S. M., Bulus, M., & Ibekwe-Okafor, N. (2022). Investigating the Differential Effects of Early Child Care and Education in Reducing Gender and Racial Academic Achievement Gaps From Kindergarten to 8th Grade. Journal of Education. https://doi.org/10.1177/00220574221104979   

Ozcan, B., & Bulus, M. (2022). Protective factors associated with academic resilience of adolescents in individualist and collectivist cultures: Evidence from PISA 2018 large scale assessment.  Advance online publication. https://doi.org/10.1007/s12144-022-02944-z 

Koyuncu, I., Bulus, M., & Firat, T. (2022). The moderator role of gender and socioeconomic status in the relationship between metacognitive skills and reading scores. Journal of Participatory Education Research, 9(3), 82-97.  https://doi.org/10.17275/per.22.55.9.3 

Otanga, H., Tanhan, A., Musılı, P.M., Arslan, G, & Bulus, M. (2021). Exploring college students’ biopsychosocial spiritual wellbeing and problems during COVID-19 through a contextual and comprehensive framework. Journal of Mental Health and Addiction, 20, 619-638.  https://doi.org/10.1007/s11469-021-00687-9 

Cicek, I., Tanriverdi, S., Sanli, M. E., & Bulus, M.  (2021). Parental attitudes and socio-demographic factors as predictors of smartphone addiction in university students. International Journal of Psychology and Educational Studies, 8(2), 158-169. https://dx.doi.org/10.52380/ijpes.2021.8.2.430

MEDIATION APPLICATION & SCALE DEVELOPMENT

Arslan, G., Yıldırım, M., Tanhan, A., Bulus, M., & Allen, K. (2021). Coronavirus stress, optimism-pessimism, psychological inflexibility, and psychological health: Psychometric properties of the coronavirus stress measure. Journal of Mental Health and Addiction, 19, 2423-2439. https://doi.org/10.1007/s11469-020-00337-6 

OTHER

Cicek, I., Tanhan, A., & Bulus, M. (2021). Psychological inflexibility predicts depression and anxiety during COVID-19 pandemic. i-manager's Journal on Educational Psychology, 15(1), 11-24.  https://imanagerpublications.com/article/18198

Bulus, M., & Bonifay, W.  (2022). irtDemo R Package: Pedagogical Interactive Web Applications for Estimation, Scoring, and Multi Dimensionality in Item Response Theory.  Anadolu University Journal of Education Faculty, 6(1), 92-108.  https://doi.org/10.34056/aujef.913781

Bulus, M. (2022). Çok Düzeyli Doğrusal Modellere Giriş [An Introduction to Multilevel Linear Models]. In Sahin, S. G., & Bulus, M. (Eds). Adım Adım Uygulamalı İstatistik (pp. 561- 613). Pegem Akademi.