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2014年、2019年、2023年の22分野にわたるジャーナルデータ共有ポリシーの縦断的データセット

Ui Ikeuchi1

  • 1Department of English Language and Literature, Faculty of Language and Literature, Bunkyo University, Koshigaya, Japan. ikeuchi@bunkyo.ac.jp.

Scientific data
|December 13, 2025
PubMed

キーワード:
オープンサイエンスデータ共有学術出版ジャーナルポリシー再現性透明性書誌情報学

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Long-term depression, or LTD, is one of the ways by which synaptic plasticity—changes in the strength of chemical synapses—can occur in the brain. LTD is the process of synaptic weakening that occurs over time between pre and postsynaptic neuronal connections. The synaptic weakening of LTD works in opposition to synaptic strengthening by long-term potentiation (LTP) and together are the main mechanisms that underlie learning and memory.
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Longitudinal Research

Sometimes we want to see how people change over time, as in studies of human development and lifespan. When we test the same group of individuals repeatedly over an extended period of time, we are conducting longitudinal research. Longitudinal research is a research design in which data-gathering is administered repeatedly over an extended period of time. For example, we may survey a group of individuals about their dietary habits at age 20, retest them a decade later at age 30, and then again...
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Cross-Sectional Research

In cross-sectional research, a researcher compares multiple segments of the population at the same time. If they were interested in people's dietary habits, the researcher might directly compare different groups of people by age. Instead of following a group of people for 20 years to see how their dietary habits changed from decade to decade, the researcher would study a group of 20-year-old individuals and compare them to a group of 30-year-old individuals and a group of 40-year-old...
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Genomics

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Longitudinal Studies

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