Results 21 to 30 of about 1,558,680 (346)

Methods for measuring the citations and productivity of scientists across time and discipline [PDF]

open access: yes, 2010
Publication statistics are ubiquitous in the ratings of scientific achievement, with citation counts and paper tallies factoring into an individual's consideration for postdoctoral positions, junior faculty, tenure, and even visa status for international
Alexander M. Petersen   +4 more
core   +2 more sources

Achieving Open Access to Conservation Science [PDF]

open access: yesConservation Biology, 2014
Abstract Conservation science is a crisis discipline in which the results of scientific enquiry must be made available quickly to those implementing management. We assessed the extent to which scientific research published since the year 2000 in 20 conservation science journals is publicly available.
Fuller, Richard A.   +2 more
openaire   +3 more sources

Multilevel Analysis of Factors that Determine the Science Achievement of Fourth-grade Students in TIMSS 2019

open access: yesScience Education International, 2023
This study examined the factors that determined the science achievement of fourth-grade students on the Trends in International Mathematics and Science Study (TIMSS) 2019 in the USA.
Pongprapan Pongsophon
doaj   +1 more source

A Review: Systemic Signaling in the Regulation of Plant Responses to Low N, P and Fe

open access: yesPlants, 2023
Plant signal transduction occurs in response to nutrient element deficiency in plant vascular tissue. Recent works have shown that the vascular tissue is a central regulator in plant growth and development by transporting both essential nutritional and ...
Zhi Geng   +10 more
doaj   +1 more source

The Gender Differences in Science Achievement, Interest, Habit, and Creativity: A national representative evidence from China

open access: yesScience Education International, 2020
In this study, we explored the gender differences in science achievement, interest, creativity, and so on, using a national representative sample from the National Assessment of Education Quality (NAEQ).
Chaochao Jia   +3 more
doaj   +1 more source

A Study on Science Achievement and Motivation Using Computer-based Simulations Compared to Traditional Hands-on Manipulation

open access: yesGeorgia Educational Researcher, 2018
This study was conducted to investigate whether or not computer-based simulations had a greater impact on science achievement compared to traditional hands-on methods for middle school students in an on-level science course.
Stacey Hannel, Joshua Cuevas
doaj   +1 more source

The Effect of CTL Approach Based on NHT Learning Model toward Students’ motivation, Science Achievement, and Retention [PDF]

open access: yesJPBI (Jurnal Pendidikan Biologi Indonesia), 2017
The learning is an interaction process between students and their environment in order to improve good behavior. The results of observation which has been done in grade V SDN No. 4 Tanjung Batu showed that the students’ motivation and science achievement
Muhammad Mifta Fausan   +1 more
doaj   +1 more source

TIMSS 2019 Verileri Işığında 8. Sınıf Öğrencilerinin Fen Başarılarını Etkileyen Bazı Değişkenlerin İncelenmesi

open access: yesAnadolu Üniversitesi Eğitim Fakültesi dergisi, 2021
Bu çalışmada 2019 yılında yayımlanan Uluslararası Matematik ve Fen Eğilimleri Araştırması 2019 verileri kullanılarak, Türkiye'deki sekizinci sınıf öğrencilerinin fen başarısını etkileyen bazı değişkenlerinin başarıyı ne kadar açıklayabildikleri ...
Hasan Özcan, Aytekin Birgin
doaj   +1 more source

Aligning Science Achievement and STEM Expectations for College Success: A Comparative Study of Curricular Standardization

open access: yesRSF: The Russell Sage Foundation Journal of the Social Sciences, 2016
Lack of preparation in science leads to high rates of attrition among science, technology, engineering, and mathematics (STEM) majors, even among students who are highly oriented toward STEM.
Siqi Han, Claudia Buchmann
doaj   +1 more source

A Review of Differential Plant Responses to Drought, Heat, and Combined Drought + Heat Stress

open access: yesCurrent Issues in Molecular Biology
Global warming increases the frequency with which drought and heat stress occur simultaneously, especially in semi-arid regions. Such combined stress imposes a non-additive and more severe impact on plant growth, yield, and quality than either stress ...
Nankai Li   +8 more
doaj   +1 more source

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