Masahito MORITA's Website

Masahito Morita, PhD

Postdoctoral Researcher

Evolutionary Anthropology Lab (Yasuo Ihara's Lab) , Department of Biological Sciences , Graduate School of Science , The University of Tokyo , Japan

ResearchGate


Contact information

E-mail: mmorita.human "at" gmail.com (primary), or masmorita "at" bs.s.u-tokyo.ac.jp

Postal address: #347 Sci Bldg #2, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan

Tel: +81-3-5841-4451; Fax: +81-3-5841-4411


Research interests

The biology of human behavior, including evolutionary and sociocultural aspects

Human behavioral ecology, evolutionary demography, human ethology, and anthropology


Evolutionary approaches to fertility decline and other (mal)adaptive behaviors

Evolutionary studies of human behavior and the sociobiology debate

National birth cohort survey on child health, child development, and family wellbeing

Evolutionary and ecological studies on human language (Evolinguistics)

Adolescent sociality, communication, cultural transmission, and metacognition

Symposium "ALE <Adolescence X Language Evolution>" in Tokyo 2019


Education

2016: PhD (5-year course) in the Department of Evolutionary Studies of Biosystems , School of Advanced Sciences , SOKENDAI (The Graduate University for Advanced Studies) , Japan

Supervisors: Dr. Mariko Hiraiwa-Hasegawa , Dr. Hisashi Ohtsuki , and Dr. Kaori Iida ; Hasegawa & Kutsukake Research Group

2011: BSc in the Department of Biology , Faculty of Science , Osaka City University , Japan

Supervisor: Dr. Masanori Kohda ; Laboratory of Animal Sociology


Research experience

2018.4 – present: Postdoctoral Researcher in the School of Science, The University of Tokyo

2016.4 – 2018.3: Postdoctoral Researcher in the Graduate School of Medicine, Kyoto University

2013.4 – 2016.3: Research Fellow of the Japan Society for the Promotion of Science (DC1)

2012.6 – 2013.3: Research Assistant in the School of Advanced Sciences, SOKENDAI

2011.6 – 2012.3: Research Assistant in the School of Advanced Sciences, SOKENDAI


Publications (peer-reviewed)

Google Scholar Citations

11. Morita, M., Saito, A., Nozaki, M. & Ihara, Y. (in press)

Childcare support and child social development in Japan: investigating the mediating role of parental psychological condition and parenting style

Philosophical Transactions of the Royal Society B: Biological Sciences. (DOI)

10. Morita, M. (2019)

Behaviours of dyads sitting outside in New York's Times Square: exploratory observation using webcam videos

Journal of Human Ergology, 48(2): 69–81. (DOI)

9. Morita, M. (2019)

Human behavioral ecology

In: Schackelford, T. K. & Weekes-Shackelford, V. A. (eds.) Encyclopedia of Evolutionary Psychological Science, Springer, Cham. Living Edition: 4 pp. (https://doi.org/10.1007/978-3-319-16999-6_1380-1)

8. Morita, M. (2018)

Demographic studies enhance the understanding of evolutionarily (mal)adaptive behaviors and phenomena in humans: a review on fertility decline and an integrated model

Population Ecology, 60(1–2): 143–154. (https://doi.org/10.1007/s10144-017-0597-y)

7. Morita, M., Go, T., Hirabayashi, K., Heike, T. & Japan Environment and Children's Study (JECS) Group (2017)

Parental condition and infant sex at birth in the Japan Environment and Children's Study: a test of the Trivers–Willard hypothesis

Letters on Evolutionary Behavioral Science, 8(2): 40–44. (https://doi.org/10.5178/lebs.2017.63)

6. Morita, M. (2017)

An evolutionary perspective on child sciences: towards interdisciplinary studies [in Japanese]

Child Science, 13: 33–36.

5. Morita, M. (2016)

The relationship between evolutionary studies of human behavior and society: with reference to the sociobiology debate [in Japanese with an English abstract]

Japanese Journal of Ecology, 66(3): 549–560. (https://doi.org/10.18960/seitai.66.3_549)

4. Morita, M., Ohtsuki, H. & Hiraiwa-Hasegawa, M. (2016b)

Does sexual conflict between mother and father lead to fertility decline? A questionnaire survey in a modern developed society

Human Nature, 27(2): 201–219. (https://doi.org/10.1007/s12110-016-9254-y)

3. Morita, M., Ohtsuki, H. & Hiraiwa-Hasegawa, M. (2016a)

A panel data analysis of the probability of childbirth in a Japanese sample: new evidence of the two-child norm

American Journal of Human Biology, 28(2): 220–225. (https://doi.org/10.1002/ajhb.22776)

2. Morita, M., Ohtsuki, H., Sasaki, A. & Hiraiwa-Hasegawa, M. (2012)

Factors affecting the number of children in five developed countries: a statistical analysis with an evolutionary perspective

Letters on Evolutionary Behavioral Science, 3(1): 7–11. (https://doi.org/10.5178/lebs.2012.19)

1. Morita, M. (2011)

Sex differences in human greeting behaviors in waiting and meeting situations: a field study in Japan

Journal of Human Ergology, 40(1–2): 79–83. (https://doi.org/10.11183/jhe.40.79)


Other publications (without review; regardless of article type)

3. Morita, M., Iwasawa, M. & Kaneko R. (2018)

An evolutionary and ecological study on marriage and fertility decline: socioeconomic success and reproductive success [in Japanese]

JSPS Grant-in-Aid for Scientific Research (Grant Number: 25245061) Project Report: 117–119.

2. Morita, M. & Kaneko R. (2017)

Analyses on marriage towards understandings of fertility decline: the relationship between socioeconomic success and reproductive success (a preliminary report) [in Japanese]

JSPS Grant-in-Aid for Scientific Research (Grant Number: 26285128) Project Report: 161–174.

1. Morita, M. (2016)

Understanding human nature: a personal perspective [in Japanese]

Anthropological Letters, 5(2): 23–25.


Presentations

XX. ○Morita, M., Emmott, E., Brown, L., Hassan, A., Ihara, Y., Tokumasu, Y., Nozaki, M., Saito, A., Kawamoto, T. & Ito, S.

Photovoice as an ethological method in the "private world" of teenagers in England and Japan

The 15th European Human Behaviour and Evolution Association conference

Jagiellonian University, Kraków, Poland, 1–4 April, 2020, Poster

*The conference has been cancelled due to the outbreak of the coronavirus disease (COVID-19).

XX. ○Emmott, E. & ○Morita, M.

Understanding adolescent sociality: photovoice as an ethological method

The 15th European Human Behaviour and Evolution Association conference Workshop/Symposium "Evolutionary Approaches to Adolescence" Organizers: Emily Emmott & Masahito Morita

Jagiellonian University, Kraków, Poland, 1 April, 2020, Oral →

*The conference has been cancelled due to the outbreak of the coronavirus disease (COVID-19).

11. ○Morita, M.

Exploring socioecological foundations for the evolution of language: observation of communication in a natural setting using webcam videos

The 14th European Human Behaviour and Evolution Association conference

Toulouse 1 University Capitole, France, 23–26 April, 2019, Poster

10. ○Morita, M., Ohtsuki, H. & Hiraiwa-Hasegawa, M.

Evolutionary approaches to human demography: case studies on fertility decline

The 32nd annual meeting of the Society of Population Ecology Plenary Symposium "Evolutionary demography: the dynamic and broad intersection of ecology and evolution" Organizers: Takenori Takada & Richard Shefferson

Shika-no-yu Hotel in Jozankei, Sapporo, Hokkaido, Japan, 3–5 November, 2016, Oral [S-14]

9. ○Morita, M., Ohtsuki, H. & Hiraiwa-Hasegawa, M.

Socioeconomic success vs. reproductive success: an evolutionary approach to fertility decline in modern competitive societies

Economics and Biology of Contests conference

Queensland University of Technology, Brisbane, Australia, 27–28 February, 2016, Oral

8. ○Morita, M., Ohtsuki, H., Kokko, H. & Hiraiwa-Hasegawa, M.

Maximization of "Happiness" (= biological fitness and self-enhancement): a mathematical model of fertility decline in humans

The 8th annual meeting of the Human Behavior and Evolution Society of Japan

SOKENDAI, Hayama, Kanagawa, Japan, 5–6 December, 2015, Poster [P26]

7. ○Morita, M., Ohtsuki, H. & Hiraiwa-Hasegawa, M.

Fertility decline in Japan: effects of socioeconomic status and sexual conflict

The 3rd annual meeting of the Evolutionary Demography Society

Conference Centre De Werelt, Lunteren, The Netherlands, 5–7 October, 2015, Lightning Talk & Poster

6. ○Morita, M., Ohtsuki, H. & Hiraiwa-Hasegawa, M.

Evolutionary biology of fertility decline in humans: case studies in Japan

Biology15 (the joint meeting of Swiss societies on organismic biology)

Eawag, Dübendorf, Switzerland, 12–13 February, 2015, Poster [3]

5. ○Morita, M., Ohtsuki, H. & Hiraiwa-Hasegawa, M.

Mothers desire a smaller number of children than fathers? Sexual conflict over fertility in modern society

The 22nd biennial international conference on Human Ethology

Federal University of Pará, Belém, Brazil, 5–9 August, 2014, Poster [2]

4. ○Morita, M., Ohtsuki, H. & Hiraiwa-Hasegawa, M.

The presence of two children prevents further childbirth? A statistical analysis of Japanese panel data

The 26th annual meeting of the Human Behavior and Evolution Society

Praiamar Natal Hotel & Convention, Natal, Brazil, 30 July – 2 August, 2014, Oral

3. ○Morita, M., Ohtsuki, H. & Hiraiwa-Hasegawa, M.

Does sexual conflict between parents lead to fertility decline? A questionnaire survey in Japan

Cooperation and Conflict in the Family conference

The University of New South Wales, Sydney, Australia, 2–5 February, 2014, Oral

2. ○Morita, M., Ohtsuki, H. & Hiraiwa-Hasegawa, M.

When to have babies: a panel data analysis of childbirth in Japan with evolutionary perspectives

The 8th European Human Behaviour and Evolution Association conference

VU University Amsterdam, The Netherlands, 24–27 March, 2013, Poster [63]

1. ○Morita, M., Ohtsuki, H., Sasaki, A. & Hiraiwa-Hasegawa, M.

Factors affecting the number of children in five developed countries: a statistical analysis with an evolutionary perspective

The 24th annual meeting of the Human Behavior and Evolution Society

The University of New Mexico in Albuquerque, USA, 13–17 June, 2012, Poster [55]

PhD Thesis (for Doctor of Philosophy)

Evolutionary approaches to fertility decline in humans: case studies in Japan


Research grants

2018/19–2020 (18 months): ESRC-AHRC UK-Japan Connections Grant

"Adolescent sociality across cultures: establishing a Japan-UK collaboration"

49,825 GBP in total (Co-PI with Dr. Emily Emmott at the University College London )

2013–2016 (36 months): Grant-in-Aid for JSPS (Japan Society for the Promotion of Science) Fellows (JSPS KAKENHI Grant Number: 13J04635)

"Evolutionary approaches to fertility decline and human reproductive strategies"

3,000,000 JPY in total (PI)


Editorial services

Letters on Evolutionary Behavioral Science , Copy Editor (2016.2 – present)

Reviewer: Annals of Nursing and Practice; XXX; Evolution and Human Behavior; YYY; Frontiers in Psychology; Frontiers in Reproductive Health (2); Journal of Biosocial Science; ZZZ; New Ideas in Psychology; Population Ecology


Award

The SOKENDAI Research Award (September, 2016)