手法を比較

	縦断的現象学	Longitudinal Qualitative Content Analysis
分野	質的手法	質的手法
系統	Process / pipeline	Process / pipeline
提唱年	2000s (formalised as a distinct design)	2000s–2010s
提唱者	Draws on Husserl and Heidegger's phenomenological tradition; longitudinal application developed in qualitative research (Saldana, Thomson et al., early 2000s)	Philipp Mayring (foundational QCA); longitudinal extension developed across qualitative health and social research traditions
種類	Qualitative longitudinal research design	Qualitative analytical method
原典	Saldana, J. (2003). Longitudinal Qualitative Research: Analyzing Change through Time. AltaMira Press. ISBN: 978-0759103917	Mayring, P. (2000). Qualitative content analysis. Forum: Qualitative Social Research, 1(2), Art. 20.
別名	longitudinal phenomenological inquiry, temporal phenomenology, repeated-interview phenomenology, longitudinal lived-experience research	LQCA, longitudinal QCA, repeated qualitative content analysis, panel qualitative content analysis
関連	6	3
概要	Longitudinal phenomenology applies phenomenological inquiry across two or more time points to capture how participants' lived experience of a phenomenon changes, deepens, or transforms over time. Rooted in the phenomenological tradition of Husserl and Heidegger, it adds an explicit temporal dimension — asking not only what an experience is like, but how it evolves. It is used where a single-point interview would miss the processual, shifting nature of lived meaning.	Longitudinal qualitative content analysis (LQCA) applies systematic content analysis to text data gathered from the same participants, settings, or documents at two or more points in time. The method preserves the interpretive rigour of qualitative content analysis while adding an explicit temporal dimension, enabling researchers to track how meanings, experiences, categories, or discourse shift, deepen, or stabilise across time rather than producing a single-point-in-time description.