Research by Tanaka Sigeto

on gender inequality, social research methodology, refactoring social institution, and use of information technology in social sciences.

[* Explanatory notes for selected works (by 2003)]


Contents: Works | Projects | Data ---The prefix `*' in this page indicates Monolingual information in Japanese.---
ID number is in bracket (e.g., [96a]) at the beginning of each entry. You can use short URLs like http://tsigeto.info/96a to access information for each work.

Published papers

[96a] Soshioroji, 126: 69-85, 132. (May 1996)
Occupational Structure and Continuity of Women's Work-Force Participation: a cohort analysis on the tendency to quit on marriage and childbirth
[96b] Japanese Journal of Family Sociology. 8: 151-161, 208. (July 1996)
The Changing Sexual Division of Labor in Postwar Japan: the double barrier against employment of women [JPN full-text]
[97a] Bulletin of the Faculty of Human Sciences, Osaka University. 23: 167-183. (Mar. 1997)
Boolean Analysis with Multi-value Variables as Independent Variables (with TAROHMARU Hiroshi)
[97b] Japanese Sociological Review, 48: 130-142. (Sep. 1997)
Higher Education and the Sexual Division of Labor: The Schooling Effect on Women's Continuous Full-time Employment
[98a] 1995 SSM Research Series. 3: 85-122. (Mar. 1998)
Dynamics of Occupational Segregation and the Sexual Division of Labor: a consequence of feminization of white-collar work [ENG full-text PDF]
[98b] 1995 SSM Research Series. 12: 1-16. (Mar. 1998)
Higher Education and the Sexual Division of Labor: the schooling effect on women's continuous full-time employment [JPN full-text PDF]
[99a] Kikan Kakei Keizai Kenkyuu. 41: 64-70. (Jan. 1999)
The Postponement of Marriage and the Gender Gap in Attitudes: reanalyzing the "women's life course" question in the unmarried respondents' part of the 10th Japanese National Fertility Survey (with AKIYAMA Tetsuya)
[99b] Sociological Theory and Methods. 14: 19-34. (Mar. 1999)
The Rational Household Theory Examined: Does equalization in wages change the sexual division of labor?
[99d] Doctoral Dissertation, Osaka University. (Oct. 1999)
An Analysis of the Sexual Division of Labor: current realities and prospects for change [JPN full-text PDF]
[00a] Stratification System in Japan. 4: 93-110 (June 2000) ISBN 4-13-055124-8.
* What Has Perpetuated the Sexual Division of Labor: assessing the suburbanism explanation. [JPN data for verification]
[01a] Annals of Human Sciences. 22: 17-31 (Mar. 2001)
A Cross-National Comparison of the Gender Gap in Time Use: reanalyzing data from Japan and six Western societies. [JPN full-text PDF]
[01b] NFR98 Report. 2 (4): 155-179. (June 2001)
Invalid Answers [JPN full-text PDF]
[01c] Japanese Journal of Labour Studies. 493: 4-14, 78. (Aug. 2001)
Housekeepers' Capacity as a Supply of Labor: estimation from the distribution of housework time [JPN full-text and errata; ENG data for verification]
[03a] Kikan Kakei Keizai Kenkyuu. 60: 48-56 (2003)
Practicable Gender-Equal Society: a policy assessment based on time-use data [JPN full-text]
[03b] ILO Conditions of Work and Employment Series No. 5 (2003)
Reconciling Work and Family: issues and policies in Japan (with ABE Masahiro + HAMAMOTO Chizuka) [ENG full-text PDF]
[04a] Structure and change in contemporary Japanese families . pp. 25-37. (Jan. 2004)
Invalid Answers
[04b] Annual Reports of Graduate School of Arts and Letters, Tohoku University. 53: 152-137 (Mar. 2004)
A Cross-National Comparison of the Gender Gap in Time-Use: reanalyzing data from Japan and six Western countries. [ENG full-text PDF]
[04c] Gender Law and Policy Annual Review. 1: 25-48 (June 2004)
Principal Earner and Accommodator in Household: an illustration of gender stratification process in contemporary Japan. [ENG full-text PDF]
[04d] Tohoku University 21th Century COE Program Kenkyuu nenpou. 1: 31-43. (June 2004)
* [Principal Earner and Accommodator in Household: an illustration of gender stratification process in contemporary Japan]. [JPN full-text PDF]
[05a] Report of Investigation in the north europe (Sendai Gender Equal Opportunity Foundation), pp. 45-55. (Mar. 2005)
Gender Equal Policies in Norway and Finland
[05b] KAKENHI 14310077 result report, pp. 25-38. (Mar. 2005)
Development of the Web-Based Data-Collection System
[07a] Tohoku University COE Book Series. 9: 217-238. (May 2007)
Gender Inequality and Equal Policies: a systematic criticism using the framework of stratification theory. [JPN full-text PDF]
[08a] The Japanese Economy. 34(4): 57-75. (Jan. 2008)
Housekeepers' Capacity as a Supply of Labor. (translated by Stacey JEHLIK)
[08b] Tohoku University COE Book Series. 12: 283-301. (Jan. 2008)
Toward a Lifestyle-Neutral Gender-Equal Policy: Are work-family reconciliation policies justifiable?. [JPN full-text PDF] [ENG translation PDF]
[08c] 2005 SSM Research Series. 9: 21-33. (Mar. 2008)
Career, Family, and Economic Risks: a quantitative analysis of gender gap in post-divorce life [ENG full-text PDF]
[08d] 2005 SSM Research Series. 12: 21-45. (Mar. 2008)
Development of Modules for Data Reduction: for efficient analysis of occupational history [JPN full-text PDF]
[09a] Family Patterns in Contemporary Japan, pp. 93-102. (Feb. 2009)
[Death of the parents]
[09b] Japanese Journal of Family Sociology. 21: 208-213. (Oct. 2009)
NFRJ08 Sampling and Survey Implementation
[10a] Zyendâ byoudou to tabunka kyousei, pp. 99-118. (Mar. 2010)
* [The family and women's economic disadvantage: a micro-macro problem for distributive justice] [JPN full-text PDF]
[10b] Gender Equality in Multicultural Societies, pp. 215-234. (Mar. 2010)
The Family and Women's Economic Disadvantage: a micro-macro problem for distributive justice [ENG full-text PDF]
[10c] NFRJ08 first report, pp. 21-30. (Apr. 2010)
[Sampling Scheme and Demographic Characteristics of the Data] [Link for JPN full-text PDF]
[11a] NFRJ08 second report, Vol. 1, pp. 143-163. (Sep. 2011)
The Economic Situation of Those Who Have Experienced Divorce: the gender gap in equivalent household income [Link for ENG full-text PDF]
[13a] [Case studies on poverty and economic difficulties suffered by women in Sendai], pp. 53-72. (Mar. 2013)
* [Results of secondary analysis of Comprehensive Survey of Living Conditions 2007] [ERRATA]
[13b] A Quantitative Picture of Contemporary Japanese Families, pp. iv-x. (Mar. 2013)
Preface
[13c] A Quantitative Picture of Contemporary Japanese Families, pp. 195-234. (Mar. 2013)
Women, work, and family issues (with Suzuki Fumiko)
[13d] A Quantitative Picture of Contemporary Japanese Families, pp. 321-350. (Mar. 2013)
Gender gap in equivalent household income after divorce
[14a] NFRJ-08Panel report, pp. 24-26. (Mar. 2014)
[Survey Responses]
[14b] Japanese Journal of Family Sociology. 26: 165-168. (Oct. 2014).
Survey Responses for NFRJ-08Panel, Waves 1-5
[16a] Seikatu Keizai Seisaku. 230: 13-18. (Mar. 2016).
* Politically Misused Knowledge on Pregnancy and Childbirth: science for propaganda?
[16b] Families in Japan, 1999-2009. 361-364. (June 2016).
* [Outline of NFRJ]
[17a] Annual Reports of Graduate School of Arts and Letters, Tohoku University. 66: 142-128. (Mar. 2017)
Works Citing Bendel and Hua on Natural Fecundability: a literature review on the origin of a falsified chart used in high school education in Japan [ENG full-text PDF]
[17b] ed.= NISHIYAMA Chieko + TSUGE Azumi. Monkasyou/koukou "ninkatu" kyouzai no uso. Ronsosha, pp. 135-159. (May 2017)
* [Do Japanese have a low level of knowledge about pregnancy and childbirth?]
[17c] Trends in the Sciences. 22(8). (Aug. 2017)
* Professional Responsibility for Spreading Unscientific Knowledge: the case of the "ease of conception" graph in a high school supplementary textbook [JPN full-text PDF]
[17d] Advances in Gender Research 24. (Oct. 2017)
Another Science War: fictitious evidence on women's fertility and the "egg aging" panic in 2010s Japan [ENG full-text PDF for sale; Free author manuscript]
[19a] Annual Reports of Graduate School of Arts and Letters, Tohoku University 68. (Mar. 2019)
Data Scandal in the 2018 Labor Law Reform Debate in Japan: a review of literature on a series of governmental surveys on working hours. [JPN full-text PDF]
[20a] Annual Reports of Graduate School of Arts and Letters, Tohoku University 69. (Mar. 2020)
Problems with the Japanese Monthly Labour Survey. [JPN full-text PDF]
[20b] Sekai 934. (June 2020)
*[Verifying the "Japan model" of COVID-19 response: its hidden dogmatism].
[21a] Annual Reports of Graduate School of Arts and Letters, Tohoku University 70. (Mar. 2021)
The Emergence and Modification of the Concept of '(Overlapping) Three Cs': A Problem in Public Communication in Japan's Coronavirus Disease (COVID-19) Response. [JPN full-text PDF]
[21b] [NFRJ18 second report]. 1: 143-155. (Sep. 2021)
Economic Gender Gaps in Post-Divorce Life: Determinants and Trends [JPN full-text PDF]
[22a] [Handbook for Japanese Studies], pp. 177-198. (Mar. 2022)
*[Changes in the family and the livelihood security system]
[23a] Bunka 86(3/4). (Mar. 2023)
Equivocality of the term "cluster" in Japan's COVID-19 response: Changes in 2020. [JPN full-text PDF]
[24a] Annual Reports of Graduate School of Arts and Letters, Tohoku University 73. (Mar. 2024)
The statistics community and the misconduct issue for Japanese official statistics: How the government, experts, and non-experts responded to the problem of the Monthly Labour Survey. [JPN full-text PDF]

Papers presented

[96z] Kansai Sociological Association , 47th Conf. in Kurasiki, 1996-05-26.
`Higher Education and the Sexual Division of Labor: schooling effect on women's continuous full-time employment' [JPN full-text revised version]
[96y] Japanese Association for Mathematical Sociology, 22nd Conf. in Osaka, 1996-09-21
*`Computer-aided Text-coding: an application' (with Tarohmaru Hiroshi) [JPN full-text]
[96x] Japan Sociological Society, 69th Conf. in Okinawa, 1996-11-23
*`Mathematical Approach to Occupational Segregation: a methodological issue in understanding gender gap' [JPN full-text]
[97z] Japanese Association for Mathematical Sociology, 23rd Conf. in Tokyo, 1997-03-19
*`Occupational Sex Segregation and Women's Continuous Full-time Employment: 1945-1995 Japan' [JPN full-text]
[97y] Japan Society of Family Sociology, 7th Conf. in Tokyo, 1997-07-24.
`Changes in the Sexual Division of Labor: Marxist-feminist theory vs. rationalistic economics' [ENG full-text translation]
[97x] Japan Sociological Society, 70th Conf. in Chiba, 1997.11
*`Dynamics of Segregation: what happened when women poured into white-collar occupation' [JPN full-text]
[00z] Kansai Suuri Syakaigaku Kenkyuukai, at Osaka Universiry, 2000-07-15.
*`Practicable Gender-Equal Societies' [JPN full-text PDF]
[00x] Roudou Syakai Tyousa Bunken Kenkyuukai, at Japan Institute of Labour, 2000-11-17.
*`Work-Family Choices of Men and Women: three lifestyles for gender-equal society' [JPN full-text PDF]
[01z] Society for the Study of Social Policy, 103rd Conf. in Sendai, 2001-10-20.
Escape from the Gender Stratification System. [JPN full-text PDF]
[02z] Japan Society of Family Sociology, 12th Conf. in Koganei, 2002-09-21.
* Spacial Differences in the Tendency of Invalid Answers. [JPN full-text PDF]
[03z] ISA/RC28, Tokyo Meeting, 2003-03-04.
Principal Earner and Accommodator in Household. [ENG full-text PDF]
[04z] International Federation for Home Economics, 20th World Conf. in Kyoto, 2004-08-06.
Risky Investment: theorizing housekeepers' disadvantageous human capital accumulation [ENG full-text PDF]
[06z] International Association for Feminist Economics, Annual Conf. in Sydney, 2006-07-08.
The Scope of Altruism: patriarchy and the modern family under Japanese law and norms [ENG full-text/slides PDF]
[07z] East Asian Social Policy Research Network, 4th Conf. in Tokyo, 2007-10-20.
Against Intra-Household Exploitation: philosophy and policy for equity within the family in Japanese context [ENG full-text PDF]
[09z] Tohoku Univ. GCOE, International Seminar in Sendai, 2009-08-04.
Family Creating Inequality: a quantitative analysis of gender gap in post-divorce life [ENG full-text/slides PDF]
[09y] Tohoku Univ. GCOE, 11th Monthly Seminar in Sendai, 2009-09-09.
The Micro-Macro Linkage for Distributive Justice: women's economic disadvantage as an illustrative case [JPN full-text PDF]
[10z] Japan Society of Family Sociology, 20th Conf. in Tokyo, 2010-09-12.
Gender Gap in Equivalent Household Income for Those Who Have Experienced Divorce: a quantitative analysis using NFRJ98, NFRJ03, and NFRJ08 [JPN Full-text/slides PDF] [ENG Abstract PDF]
[11z] Tohoku Univ. GCOE, 23rd Monthly Seminar in Sendai, 2011-02-16.
The Family, Marriage, and Gender Inequality: quantitative analysis of economic situation after divorce [ENG full-text/slides PDF]
[11x] ISA/RC06 Kyoto Seminar, 2011-09-12.
A Quantitative Analysis of the Economic Situation of Those Who Have Undergone Divorce. [ENG full-text/slides PDF]
[13z] Sendai Gender Equal Opportunity Foundation, a symposium on invisible poverty of women, in Sendai, 2013-03-23.
* [Results of secondary analysis of Comprehensive Survey of Living Conditions 2007] [JPN full-text/slides PDF]
[15z] Quattro Seminars, Tohoku Univ., in Sendai, 2014-01-14.
* [Public sociology and social indicators] [JPN slides PDF]
[15y] Japan Society of Family Sociology, 25th Conf. in Ibaraki, 2015-09-06.
What Will We Witness When We Seriously Try to Boost Fertility?: normative constraints against universal child benefits. [ENG slides PDF]
[15x] Japan Sociological Society, 88th Conf. in Tokyo, 2015-09-20.
Maintaining Diversity in Policy-Oriented Research: alternatives of work-life balance measures for gender equality in Japan. [ENG poster PDF]
[15v] Symposium on ethics and accountability of academics (Tokyo), 2015-11-30.
* [On the “Starting Families” survey]. [JPN full-text/slides PDF]
[15w] Symposium on ethics and accountability of academics (Tokyo), 2015-11-30.
* [Questions to Yoshimura Yasunori and nine academic associations misusing falsified charts]. [JPN full-text/slides PDF]
[16z] Japanese Association for Mathematical Sociology, 61st Conf. in Tokyo, 2016-03-17.
* [Abusive use of cross-national surveys and public opinion: International Fertility Decision-making Survey and population policy of Japan]. [JPN abstract/handout/slides PDF]
[16y] Symposium on population policy, medicine, and gender: a society with the social problem of "ovarian aging" (Tokyo), 2016-06-18.
* [What was visualised with a falsified fecundability chart in a high-school side-reader]. [JPN handout/slides/outline PDF]
[16x] International Sociological Association, 3rd ISA Forum of Sociology (Vienna), 2016-07-11.
Dynamics of Ideology and Institution: probable scenarios for changes in beliefs about gender and family in Japan. [ENG abstract/handout/slides PDF]
[16w] Japan Society of Family Sociology, 26th Conf. in Tokyo, 2016-09-11.
* [Unscientific charts used in obstetrics, gynecology, and reproductive medicine] [JPN abstract/slides PDF]
[17z] Symposium on problems of the current pronatal policy of Japan, in Tokyo, 2017-06-03.
* [Making of the egg aging discourse]. [JPN outline HTML / JPN slides PDF]
[17y] Symposium "The Impact of the Humanities and Social Sciences: Discussing Germany and Japan", in Tokyo, 2017-11-14.
Locating Family in the Gender Equality Politics: a focus on economic situation after divorce in Japan [ENG abstract/slides PDF]
[18z] Contemporary Japan Speaker Series (London), 2018-01-25.
Gender Inequality and Family-Related Risks: from the perspective of law and ideology [ENG abstract/slides PDF]
[18y] Seminar in Tokyo, 2018-04-01.
* [What local governments say in their "life planning" books]. [JPN outline HTML / JPN slides PDF]
[18x] International Sociological Association, XIX World Congress of Sociology (Toronto), 2018-07-16.
Hijacking the Policy-Making Process: political effects of the International Fertility Decision-Making Study for 2010s' Japan (Distributed paper). [ENG full-text PDF]
[18w] International Sociological Association, XIX World Congress of Sociology (Toronto), 2018-07-17.
Fake Information for the 'Egg Aging' Propaganda: the role of experts and journalists in its emergence, authorization, and radicalization (Oral presentation). [ENG abstract/slides PDF]
[18v] Japanese Society for Science and Technology Studies, 17th Conf. in Tokyo, 2018-12-08.
* [Changes in discourses around the low fertility]. [JPN abstract/slides PDF]
[19z] Seminar in Tokyo, 2019-03-24.
* [Japanese view about below-replacement-level fertility: its emergence and change since 1974].
[19y] Japan Society of Family Sociology, 29th Conf. in Kobe, 2019-09-14.
* Policymaking based on original research: What will EBPM bring about? . [JPN abstract/slides PDF]
[19x] RC06-VSA International Conference (HaNoi), 2019-10-18.
Political vocabularies and localized discourses on demographic transition: the emergence of the "syousika" problem in 1980s Japan. [ENG abstract/slides PDF]
[20z] Seminar in Tokyo, 2020-02-02.
* [Message against Ehime Prefecture: facts, problemsm and responses from the prefecture office] (with NISHIYAMA Chieko).

In preparation

Edited books

Miscellaneous writings

[99c] Oosaka Daigaku Zyouhou Syori Kyouiku Sentâ Kouhou 16 (1999)
Mi no Take ni Atta Repôto o
[00d] Bulletin of the Graduate School of Human Sciences, Osaka University 26: 159-176 (2000)
* Bumping Road to the Official Web Page of the Faculty of Human Sciences (with Harada Akira + Miura Asako + Nishibata Ritsuko + Shinohara Kazumitsu + Hirai Kei)
[04e] News Letter (Tohoku Univ. GCOE Program) 5: 9 (2004)
* [Report of the Survey in Norway and Finland] [JPN Full-text]
[05c] The Handbook of the Humanity and Social Sciences (Tohoku Univ. Press), pp. 74-80 (2005)
[How to Write a Term Paper]
[14c] Blog article (2014)
* [To make conferences visible on the Web]
[15a] Blog article (2015)
* [Process of data-laundering around the likelihood of conception]
[15b] Blog article (2015)
Pushing a falsified chart into high-school education material
[15c] Blog article (2015)
* [Differences in the age-fecundability curves among papers]
[15d] PDF document (2015)
* [Misuse of a falsified chart about the likelihood of conception by nine academic societies in Japan]
[15e] ISA RC32 (Women in Society) Newsletter No. 2, pp. 9-10 (2015-09)
Misuse of a falsified chart about the likelihood of conception in high-school education material in Japan
[15i] Blog article (2015)
The Authorized Statistics on Women's Age-Specific Fertility Rate (ASFR) in Japan
[16h] Blog article (2016)
* [The term "sex differences" found in the text of Basic Plans for Gender Equality, 1st to 4th (2000-2015, Japan)]
[16i] Blog article (2016)
* [Works citing Bendel and Hua (1978)]
[16j] Blog article (2016)
* [Examining the validity of a chart about the likelihood of conception in high-school education material in Japan: review of demographic literature]
[16m] Blog article (2016)
* [A trimmed age-fertility chart on the website of Japan Society for Reproductive Medicine]
[16n] Blog article (2016)
* [Partial transcript from a Youtube movie about pregnancy and infertility, by the Ministry of Health, Education, Labour and Welfare, Japan
[16o] Synodos 2016.06.01 (2016)
* [The myth of Japanese's low literacy about pregnancy: a new phase in the problem of misused social survey].
[16p] Contemporary Sociological Studies 29: 67-69. (June 2016)
* Impressions of Higashikawa Town excursion
[16q] Manabi no Mori (Tohoku University's pamphlet) 77: 2 (2016)
Scientific literacy in schools: Lessons from a scandal about the 2015 health education material in Japan [JPN manuscritpt / ENG translati]
[16r] Blog article (2016)
* Age-specific marital fertility rates of Hutterites (Sheps 1965)
[16s] eLetter to the Editor of Human Reproduction (not accepted) (2016)
Misinformation with a low-quality international multilingual survey
[16t] Blog article (2016)
* Probrem of "New Femininity Test"
[16u] messy. 2016.11.21 (2016)
* [I LADY. "New Femininity Test" and pseudo-medicine: Background of the JOICFP-Dentsu movie
[17g] Blog article (2017)
* What is "evidence" for obstetricians and gynecologists
[17h] Blog article (2017)
* Japanese Association of Medical Sciences 1974 Symposium
[17i] Japanese Journal of Family Sociology 29: 97-98 (Apr. 2017)
* Book review: Fukuda N. (2016) Marriage and fertility behaviour in Japan, Springer
[17j] Blog article (2017)
* Ethics of using online texts: on the JSR style guide (2nd ed.) Paragraph 3.8.2
[17m] Preprint (2017)
The origin of a chart indicating the likelihood of conception linearly declining with age: a literature survey
[17n] English tranlation of a Japanese article (2017)
Professional Responsibility for Spreading Unscientific Knowledge: the case of the 'ease of conception' graph in a supplementary high school textbook
[17p] Blog article (2017)
* Womens Health Literacy Association
[18g] Blog article (2018)
* Fake news on poverty and children's academic performance
[18h] Blog article (2018)
* [Suspicion about the 2013 survey on work hours and working conditions conducted by Ministry of Health, Labour and Welfare]
[18i] Blog article (2018)
* [The discretionary work system and long hourking hours]
[18j] Blog article (2018)
* [Information about the 1995-2013 surveys on work hours and working conditions conducted by Ministry of Health, Labour and Welfare]
[18m] Blog article (2018)
* [A systematic error suspected about the 2013 survey on work hours and working conditions conducted by Ministry of Health, Labour and Welfare]
[18n] Blog article (2018)
* ["Life planning" books published by prefectures]
[18p] Blog article (2018)
* [Doubled cases in the data of the 2013 survey on work hours and working conditions conducted by Ministry of Health, Labour and Welfare]
[18k] Project “Unscientific Knowledge and the Egg Aging Panic” Research Report I (2018)
Unscientific Visual Representations Used for the “Egg Aging” Campaign in 2010s Japan
[18l] Project “Unscientific Knowledge and the Egg Aging Panic” Research Report II (2018)
* [Unscientific Visual Representations Used for the “Egg Aging” Campaign in 2010s Japan]
[19f] Blog article (2019)
* [How the parameters are estimated for the Monthly Labour Survey]
[19g] PDF document (2019)
* [Human rights violation against research participants in an MHLW-funded project in 2012]
[19h] Blog article (2019)
* [Updates about the scandal of the Monthly Labour Survey]
[19i] Blog article (2019)
* [Discarded sample: an analysis of the 2001-2003 sampling errors for the Monthly Labour Survey]
[19j] wezzy 2019.02.07 (2019)
* [Monthly Labour Survey Falsification since at Least the 1990s: How the Japanese society indulges in data falsification]
[19m] Preprint (2019)
Monthly Labour Survey Misconduct since at Least the 1990s: falsified statistics in Japan
[19n] Blog article (2019)
What is wrong with the Japan Statistical Society's report on the problem of govermental statistics? (1): misunderstanding of information about the size of populations]
[19p] Blog article (2019)
* [Problems of document managemant by the Japan Statistical Society]
[19q] Blog article (2019)
* [What is wrong with the Japan Statistical Society's report on the problem of govermental statistics? (2): changes of the benchmarks]
[19r] Blog article (2019)
* [What is wrong with the Japan Statistical Society's report on the problem of govermental statistics? (3): problem of the change of definition of regular employees]
[19s] Blog article (2019)
* [The figures for the relative error of the Monthly Labour Surveys were almost identical every year between 1994 and 2001]
[20f] Blog article (2020)
* [The truth of Japan's COVID-19 response: (1): What did Nishiura et al (2020) say?]
[20g] Blog article (2020)
* [The truth of Japan's COVID-19 response (2): manipulation of information by experts
[20h] Blog article (2020)
* [The truth of Japan's COVID-19 response (3): how experts exaggerated figures]
[20j] Blog article (2020)
* [The outcome of Japan's cluster-based strategy]
[20m] KAKENHI result report (2020)
Unscientific Knowledge and the "Egg Aging" Panic: Final Report
[20n] Blog article (2020)
* [Statistcs and discourses in contemporary societies: around the Japanse term "syousika"]
[20p] Blog article (2020)
* [The truth of Japan's COVID-19 response (4): the answer]
[20q] Blog article (2020)
* [History revised by the media and experts: was the outbreak in April due to returnees?]
[20r] Blog article (2020)
* [Open letter on an artilce of Nikkei newspaper]
[20s] Blog article (2020)
* [History revised by the media and experts (2): the comment "ther has been no report of infection in an airplane" by Omi Shigeru]
[20t] Blog article (2020)
* [Various definitions of cluster]
[21f] Blog article (2021)
* [Cluster vs. cluster]
[21g] Blog article (2021)
* [Is the classification of cluster arbitrary?: manipulated figures used in the 12th and 19th expert panel meetings]
[21h] Blog article (2021)
* ["Cluster" means infections with two or more cases, according to the Government of Japan]
[21i] Blog article (2021)
* [Evaluaton of the "cluster-based strategy" based on data]
[21j] Blog article (2021)
* [The difference of the second and third waves: a focus on the size of clusters]
[21m] Blog article (2021)
* [Who did overlook the forests?: Reality of contact tracing]
[21n] Blog article (2021)
* [A strange discourse on the institution of "ie" (Japanese traditional family system)]
[23k] Japan Society of Family Sociology. Encyclopedia of family sociology. Maruzen. pp.146-147 (Dec. 2023)
* [Use of official statistics]

Conferences (organized or participated)


Projects and Societies


Data and Softwares



Contact: http://www.sal.tohoku.ac.jp/~tsigeto/office.html

Countermeasure against unauthorized romanization