heterogeneity


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heterogeneity

[¦hed·ə·rə·jə′nē·əd·ē]
(biology)
The condition or state of being different in kind or nature.
(science and technology)
The condition of a sample of matter that is composed of particles or aggregates of different substances of dissimilar composition.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
Hypothesis 3b: Network heterogeneity will reinforce the positive relationship between network relationship strength and customer citizenship behavior.
"However, the effect of the adjustment or lack of adjustment on the heterogeneity suggests that the higher risk of breast cancer in women with diabetes may not be due to diabetes itself, but to adiposity," she said.
The researchers studying tomatoes and Prunus plants used LCM to preserve the heterogeneity of their tissue samples, but like the dilemma cancer researchers face, they needed to maintain RNA integrity at the same time.
Because of these findings, TMT heterogeneity has been linked to strategic innovation and product development (Bantel and Jackson, 1989; Boeker, 1997; Hambrick et al., 1996), to increased stock price (Barsade et al., 2000) and successful international expansion (Barkema and Shvyrkov, 2007; Carpenter and Fredrickson, 2001).
'Patients with Luminal A breast cancer and high intra-tumour heterogeneity of the oestrogen receptor were also twice as likely to die from the disease,' continues Dr Lindstrom.
Our objectives were therefore to: 1) identify the spatial scale at which grizzly bears select buffaloberry fruit resources; 2) determine whether patch- or landscape-level foraging strategies explain resource use; and 3) assess the importance of resource heterogeneity in structuring habitat selection.
There was statistically significant heterogeneity in summary effects of treatment for total adverse events across all six studies (P = .04; [I.sup.2] = 56%).
In conclusion, we found that HUdiff was correlated with stone heterogeneity and inversely correlated with stone homogeneity, similar to SD of HU value.
Nevertheless, the heterogeneity among European might not be that high, at the end of the day.
The author has organized the eleven co-authored chapters that make up the main body of his text in two parts devoted to firm heterogeneity and sectoral heterogeneity.
Sensitivity analysis was conducted by removing studies with relatively small sample sizes (less than 20 subjects in EA group or control group) to determine whether small sample sizes contributed to the between-study heterogeneity. Forest plots and funnel plots were generated via RevMan 5.3 (Copenhagen: the Nordic Cochrane Centre, the Cochrane Collaboration, 2014).