| 1. |
- Bergstrand, Sten, et al.
(författare)
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Activities of the IERS Working Group on Site Survey and Co-location
- 2016
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Ingår i: International VLBI Service for Geodesy and Astrometry 2016 General Meeting Proceedings. - Greenbelt, MD : National Aeronautics and Space Administration. ; , s. 113-117
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Konferensbidrag (övrigt vetenskapligt/konstnärligt)abstract
- The objective of the International Earth Rotation and Reference Systems Service (IERS) Working Group on Site Survey and Co-location is to improve local measurements at space geodesy sites. We appointed dedicated Points of Contact (POC) with the four different services of IERS as well as the NASA Space Geodesy Project in order to improve the efficiency of internal communication within the working group. Following the REFAG2014 conference, the POCs agreed on a common and general terminology on local ties that clarifies the communication regarding site surveying and co-location issues between and within the IERS services. We give brief introductions to the different observation techniques and mention some contemporary issues related to site surveying and co-location.
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| 2. |
- Klopotek, Grzegorz, 1990, et al.
(författare)
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Results from the VLBI Analysis Software Comparison Campaign 2015
- 2016
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Ingår i: IVS 2016 General Meeting Proceedings "New Horizons with VGOS". Edited by Dirk Behrend, Karen D. Baver, and Kyla L. Armstrong, NASA/CP-2016-219016. ; , s. 203-207
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Konferensbidrag (övrigt vetenskapligt/konstnärligt)abstract
- The aim of the VLBI Analysis Software Comparison Campaign 2015 (VASCC2015) was to compare differentVLBI analysis software packages on the basis of computed theoretical delays. Eleven research groups and institutes participated in this project which allowed us to compare software packages that are used in operational VLBI analyses or that are still under development. We present the first results and we show how well the individual software packages agree at this stage.
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| 3. |
- Wölfer, Ralf, et al.
(författare)
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Developmental Dynamics of Intergroup Contact and Intergroup Attitudes : Long-Term Effects in Adolescence and Early Adulthood
- 2016
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Ingår i: Child Development. - : Wiley-Blackwell. - 0009-3920 .- 1467-8624. ; 87:5, s. 1466-1478
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Tidskriftsartikel (refereegranskat)abstract
- Intergroup contact represents a powerful way to improve intergroup attitudes and to overcome prejudice and discrimination. However, long-term effects of intergroup contact that consider social network dynamics have rarely been studied at a young age. Study 1 validated an optimized social network approach to investigate intergroup contact (N=6,457; M-age=14.91years). Study 2 explored the developmental trajectories of intergroup contact by applying this validated network approach in a cross-sequential design (four-cohort-four-wave; N=3,815; 13-26years). Accelerated growth curve models showed that contact predicts the development of attitudes in adolescence, whereas acquired attitudes buffer against decreasing contact in adulthood. Findings highlight the potential of social network analysis and the developmental importance of early intergroup contact experiences.
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