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Revisiting the theoretical and methodological foundations of depression measurement | Nature Reviews Psychology
![Eiko Fried Eiko Fried](https://i.ytimg.com/vi/3KAK1wDEB5Q/hq720.jpg?sqp=-oaymwEhCK4FEIIDSFryq4qpAxMIARUAAAAAGAElAADIQj0AgKJD&rs=AOn4CLAfGumdD3b8gTsbOOlAe6pbbDk1Tg)
Eiko Fried "Mental Health: Studying Systems Instead of Syndromes" Keynote Transdiagnostic 2021 - YouTube
Eiko Fried on Twitter: "How to measure mental pain? We screened 2658 studies & identified 10 mental pain scales. We 1) compared content overlap, & 2) rated the development & content validity
![PDF) Measuring Depression Over Time . . . or not? Lack of Unidimensionality and Longitudinal Measurement Invariance in Four Common Rating Scales of Depression PDF) Measuring Depression Over Time . . . or not? Lack of Unidimensionality and Longitudinal Measurement Invariance in Four Common Rating Scales of Depression](https://i1.rgstatic.net/publication/292153092_Measuring_Depression_Over_Time_or_not_Lack_of_Unidimensionality_and_Longitudinal_Measurement_Invariance_in_Four_Common_Rating_Scales_of_Depression/links/56afd2b008ae9f0ff7b2932c/largepreview.png)
PDF) Measuring Depression Over Time . . . or not? Lack of Unidimensionality and Longitudinal Measurement Invariance in Four Common Rating Scales of Depression
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Does network connectivity predict future depression? Non-replication paper published | Psych Networks
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Network structure of depression symptomology in participants with and without depressive disorder: the population-based Health 2000–2011 study | SpringerLink
![Eiko Fried Eiko Fried](https://i.ytimg.com/vi/DZf8VHM1pHI/maxresdefault.jpg?sqp=-oaymwEmCIAKENAF8quKqQMa8AEB-AH-BYAC4AOKAgwIABABGGUgZShlMA8=&rs=AOn4CLAMd4EsB8qwv4EdPlOvOYEqxLMZqw)
Eiko Fried "Mental Health: Studying Systems Instead of Syndromes" Keynote Transdiagnostic 2021 - YouTube
![Eiko FRIED | Assistant Professor | PhD | Leiden University, Leiden | LEI | Department of Clinical Psychology | Research profile Eiko FRIED | Assistant Professor | PhD | Leiden University, Leiden | LEI | Department of Clinical Psychology | Research profile](https://i1.rgstatic.net/ii/profile.image/438839903821825-1481638994847_Q512/Eiko-Fried.jpg)
Eiko FRIED | Assistant Professor | PhD | Leiden University, Leiden | LEI | Department of Clinical Psychology | Research profile
![Eiko Fried Eiko Fried](https://i.ytimg.com/vi/Pj-OV-mYCjs/hq720.jpg?sqp=-oaymwE7CK4FEIIDSFryq4qpAy0IARUAAAAAGAElAADIQj0AgKJD8AEB-AHUBoACtAOKAgwIABABGGUgYShVMA8=&rs=AOn4CLB_GV58G0spRk9clqAfVYpn2xGgJA)
Eiko Fried "Mental Health: Studying Systems Instead of Syndromes" Keynote Transdiagnostic 2021 - YouTube
![PDF) Heterogeneity in major depression and its melancholic and atypical specifiers: a secondary analysis of STAR*D PDF) Heterogeneity in major depression and its melancholic and atypical specifiers: a secondary analysis of STAR*D](https://i1.rgstatic.net/publication/354643191_Heterogeneity_in_major_depression_and_its_melancholic_and_atypical_specifiers_a_secondary_analysis_of_STARD/links/614417baf4a9f7651162e615/largepreview.png)
PDF) Heterogeneity in major depression and its melancholic and atypical specifiers: a secondary analysis of STAR*D
![Eiko Fried on Twitter: Eiko Fried on Twitter:](https://pbs.twimg.com/media/D5eHAMPXoAEE8MF.jpg:large)
Eiko Fried on Twitter: "New PNAS paper claims they identified "effective diagnostic biomarker" for depression after comparing—wait for it—depressed vs controls. One more time: a "marker for X" is defined as being *
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