二手资料调研（secondarydataanalysis）概念、来源、优劣分析 二手资料调研(Secondary Data Research)二手资料调研是指查寻并研究与调研项目有关资料的过程，这些资料是经他人 收集、整理的有些是已经发表过的。通过第二手资料的调研，市场营销调研市场营销调研人员可以把注意力集中到那些应该着重调查的某些特定的因素上，经营...
of Social Research Updates on `Secondary Analysis of Qualitative Data' (Heaton1998) and `Archiving and Re-using Qualitative Data (Corti, Foster et al. 1995). More recently, the publication of the first monograph on the topic in 2004, ReworkingQualitative Data (Heaton 2004a), and a recent ...
www.nature.com/scientificreports OPEN A novel secondary structure based on fused five-membered rings motif received: 11 February 2016 accepted: 19 July 2016 Published: 11 August 2016 Jesmita Dhar1, Raghuvansh Kishore2 & Pinak Chakrabarti1,3 An analysis of protein structures indicates the ...
We included patients who became worse in the analysis, and data are presented in tables, but interpretation of data should be done with caution; firstly, because the groups were very small (ranging from 1 to 8 participants); and secondly, because improvement and deterioration may be different ...
G.A. collected and analyzed data, performed statistical analysis, and wrote and revised the manuscript. G.Z. performed the immunofixation electrophoresis and free light chain. L.S., J.W., and H.M. performed cytometry immunophenotyping and analyzed the data. Y.X., W.S., S.D. provided ...
the analysis showed that participants who used N-S ranked significantly faster than those who used MTL, and the descriptive analysis of the label perceptions showed that FOPLs were perceived favourably overall, and especially N-S and MTL. This is consistent with previously published data on the ...
If applicable to other groups of aptamers that have been selected against the same target, it may be possible to apply a detailed analysis of one aptamer to better understand the structural features of many others in a group of co-selected aptamers. 4. Materials and Methods 4.1. Materials ...
Feb 1, 2024 Analysis suggests that buying a ticket on the secondary market for the NFL's championship game can be very expensive business. Average secondary market ticket prices for theSuper Bowlincreased from 2,329 U.S. dollars in 2010 to over 10 thousand U.S. dollars in 2024. ...
Data analysis for Illumina sequencing. MAQ version 0.6.841 was used for short read alignment and sin- gle nucleotide polymorphism (SNP) sites identification. We mapped the short reads of each population sample to reference sequences separately using the main parameters: -m 0.002 and -e 200....
Combined effects of time spent in physical activity, sedentary behaviors and sleep on obesity and cardio-metabolic health markers: a novel compositional data analysis approach. PLoS One. 2015;10(10):e0139984. doi:10.1371/journal.pone.0139984 PubMedGoogle ScholarCrossref 63. Migueles JH...