Mgr. et Mgr. Michal Tkaczyk, Ph.D.

Assistant professor, Department of Media Studies and Journalism

office: 5.45
Joštova 218/10
602 00 Brno

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phone:	+420 549 49 7289
e‑mail:

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Basic information

Type

Total number of publications: 45

2026

Digital Media Use and Sleep from Day to Day : A Systematic Review of Intensive Longitudinal Studies

TKACZYK Michal MATĚJEK Roman HUDECZEK Adam ŠMAHEL David

Appeared in Conference without Proceedings

Year: 2026, type: Appeared in Conference without Proceedings
Does Smartphone Application Use Impact Adolescents’ Affect? Or Vice Versa? An Experience Sampling Study

ŠARADÍN LEBEDÍKOVÁ Michaela LACKO David TKACZYK Michal BLAHOŠOVÁ Jana ELAVSKY Steriani ŠMAHEL David

Peer-reviewed scientific article

MEDIA PSYCHOLOGY, year: 2026, DOI
Lessons from a large-scale experience sampling study: predictors of compliance and attrition

JUSKO Jakub ŠARADÍN LEBEDÍKOVÁ Michaela TANCOŠ Martin VOJTÍŠEK Tomáš TKACZYK Michal KRATOCHVÍL Tomáš LACKO David VACULÍK Martin ŠMAHEL David

Appeared in Conference without Proceedings

Year: 2026, type: Appeared in Conference without Proceedings
Longitudinal Between- and Within-Person Associations Among Screen Time, Bedtime, and Daytime Sleepiness Among Adolescents : Three-Wave Prospective Panel Study

TKACZYK Michal KŠIŇAN Albert ŠMAHEL David

Peer-reviewed scientific article

JOURNAL OF MEDICAL INTERNET RESEARCH, year: 2026, volume: 28, edition: January, DOI

2025

Modeling the Differential Prevalence of Online Supportive Interactions in Private Instant Messages of Adolescents

SOTOLÁŘ Ondřej TKACZYK Michal PLHÁK Jaromír ŠMAHEL David

Paper in proceedings

Findings of the Association for Computational Linguistics: NAACL 2025, year: 2025, DOI
Person- or situation-specific? Factors explaining convergent validity and discrepancy between self-report and digital trace of smartphone use

TANCOŠ Martin TKACZYK Michal ŠMAHEL David ELAVSKY Steriani

Appeared in Conference without Proceedings

Year: 2025, type: Appeared in Conference without Proceedings
Tech & teens : insights from 15 studies on the impact of digital technology on well-being

ŠMAHEL David ŠARADÍN LEBEDÍKOVÁ Michaela LACKO David KVARDOVÁ Nikol MÝLEK Vojtěch TKACZYK Michal ŠVESTKOVÁ Adéla GÜLEC Hayriye HRDINA Matouš MACHÁČKOVÁ Hana DĚDKOVÁ Lenka

Research report

Year: 2025, DOI

2024

(In)accuracy and Convergent Validity of Daily End-of-day and Single-time Self-reported Estimations of Smartphone Use among Adolescents

TKACZYK Michal TANCOŠ Martin ŠMAHEL David ELAVSKY Steriani PLHÁK Jaromír

Peer-reviewed scientific article

Computers in Human Behavior, year: 2024, volume: 158, edition: September, DOI
(In)accuracy and Convergent Validity of Daily End-of-day and Single-time Self-reported Estimations of Smartphone Use among Adolescents

TKACZYK Michal TANCOŠ Martin ŠMAHEL David ELAVSKY Steriani PLHÁK Jaromír

Appeared in Conference without Proceedings

Year: 2024, type: Appeared in Conference without Proceedings
Longitudinal associations between screen time, bedtime and daytime sleepiness among adolescents : A three-wave panel study

TKACZYK Michal KŠIŇAN Albert ŠMAHEL David

Appeared in Conference without Proceedings

Year: 2024, type: Appeared in Conference without Proceedings