Browsing Nord Open Research Archive by Author "Hagen, Nils Thorstein"
Now showing items 1-13 of 13
-
Contributory inequality alters assessment of academic output gap between comparable countries
Hagen, Nils Thorstein (Journal article; Peer reviewed, 2015) -
Counting and comparing publication output with and without equalizing and inflationary bias
Hagen, Nils Thorstein (Journal article; Peer reviewed, 2014)This paper examines the effects of inflationary and equalizing bias on publication output rankings. Any identifiable amount of bias in authorship accreditation was detrimental to accuracy when ranking a select group of ... -
Deconstructing doctoral dissertations : how many papers does it take to make a PhD?
Hagen, Nils Thorstein (Journal article; Peer reviewed, 2010)A collection of coauthored papers is the new norm for doctoral dissertations in the natural and biomedical sciences, yet there is no consensus on how to partition authorship credit between PhD candidates and their coauthors. ... -
Echinoculture : from fishery enhancement to closed cycle cultivation
Hagen, Nils Thorstein (Journal article; Peer reviewed, 1996) -
Enlarged lantern size in similar-sized, sympatric, sibling species of Strongylocentrotid sea urchins : from phenotypic accommodation to functional adaptation for durophagy
Hagen, Nils Thorstein (Journal article; Peer reviewed, 2008) -
Harmonic Allocation of Authorship Credit : Source-Level Correction of Bibliometric Bias Assures Accurate Publication and Citation Analysis
Hagen, Nils Thorstein (Journal article; Peer reviewed, 2008)Authorship credit for multi-authored scientific publications is routinely allocated either by issuing full publication credit repeatedly to all coauthors, or by dividing one credit equally among all coauthors. The ensuing ... -
Harmonic coauthor credit : A parsimonious quantification of the byline hierarchy
Hagen, Nils Thorstein (Journal article; Peer reviewed, 2013)In this paper the accuracy of five current approaches to quantifying the byline hierarchy of a scientific paper is assessed by measuring the ability of each to explain the variation in acomposite empirical dataset. Harmonic ... -
Harmonic publication and citation counting : sharing authorship credit equitably – not equally, geometrically or arithmetically
Hagen, Nils Thorstein (Journal article; Peer reviewed, 2010)Bibliometric counting methods need to be validated against perceived notions of authorship credit allocation, and standardized by rejecting methods with poor fit or questionable ethical implications. Harmonic counting meets ... -
Parasitic castration of the green sea echinoid Strongylocentrotus droebachiensis by the nematode endoparasite Echinomermella matsi : reduced reproductive potential and reproductive death
Hagen, Nils Thorstein (Journal article; Peer reviewed, 1996) -
Recent Advances in Sea-Urchin Aquaculture in Norway
Hagen, Nils Thorstein; Siikavuopio, Sten Ivar (Journal article, 2010)Sea-urchin aquaculture (echiniculture) in Norway is being developed along two sep a rate paths with some overlap. Bodø University College (HBO) is pursuing a strategy of full domestication, with the explicit goal of bringing ... -
Recurrent destructive grazing of successionally immature kelp forests by green sea urchins in Vestfjorden, Northern Norway
Hagen, Nils Thorstein (Journal article; Peer reviewed, 1995) -
Reversing the byline hierarchy : The effect of equalizing bias on the accreditation of primary, secondary and senior authors
Hagen, Nils Thorstein (Journal article; Peer reviewed, 2014)Equalizing bias (EqB) is a systematic inaccuracy which arises when authorship credit is divided equally among coauthors who have not contributed equally. As the number of coauthors increases, the diminishing amount of ... -
Sex-specific seasonal variation in the carotenoid content of sea urchin gonads
Hagen, Nils Thorstein; Jørgensen, Ida; Egeland, Einar Skarstad (Journal article; Peer reviewed, 2008)This study documents the effect of sex on gonad carotenoid content during the annual reproductive cycle of Strongylocentrotus droebachiensis from northern Norway. Male and female S. droebachiensis exhibited distinctly ...