User profiles for "author:D Morgan"

David Morgan

- Verified email at pdx.edu - Cited by 72214

David O. Morgan

- Verified email at ucsf.edu - Cited by 44378

David Morgan

- Verified email at msu.edu - Cited by 26659

Neuroinflammation in Alzheimer's disease

…, A Halle, GC Petzold, T Town, D Morgan… - The Lancet …, 2015 - thelancet.com
Increasing evidence suggests that Alzheimer's disease pathogenesis is not restricted to the
neuronal compartment, but includes strong interactions with immunological mechanisms in …

Focus groups

DL Morgan - Annual review of sociology, 1996 - annualreviews.org
Over the past decade, focus groups and group interviews have reemerged as a popular
technique for gathering qualitative data, both among sociologists and across a wide range of …

Principles of CDK regulation

DO Morgan - Nature, 1995 - nature.com
As key regulators of the cell cycle, the cyclin-dependent kinases must be tightly regulated by
extra-and intracellular signals. The activity of cyclin-dependent kinases is controlled by four …

Phylogenetics of seed plants: an analysis of nucleotide sequences from the plastid gene rbcL

MW Chase, DE Soltis, RG Olmstead, D Morgan… - Annals of the Missouri …, 1993 - JSTOR
We present the results of two exploratory parsimony analyses of DNA sequences from 475
and 499 species of seed plants, respectively, representing all major taxonomic groups. The …

[BOOK][B] Focus groups as qualitative research

DL Morgan - 1996 - books.google.com
The extensively revised edition of the best-selling Focus Groups as Qualitative Research
continues to provide an excellent guide for researchers across the disciplines. Reflecting the …

Aβ peptide vaccination prevents memory loss in an animal model of Alzheimer's disease

D Morgan, DM Diamond, PE Gottschall, KE Ugen… - Nature, 2000 - nature.com
Vaccinations with amyloid-β peptide (AB) can dramatically reduce amyloid deposition in a
transgenic mouse model of Alzheimer's disease. To determine if the vaccinations had …

Burden of gastrointestinal disease in the United States: 2012 update

AF Peery, ES Dellon, J Lund, SD Crockett… - Gastroenterology, 2012 - Elsevier
BACKGROUND & AIMS: Gastrointestinal (GI) diseases account for substantial morbidity,
mortality, and cost. Statistical analyses of the most recent data are necessary to guide GI …

[BOOK][B] The focus group guidebook

DL Morgan, RA Krueger, JA King - 1998 - books.google.com
Providing a general introduction to focus group research, Morgan includes the appropriate
reasons for using focus groups and what you can expect to accomplish with them. He …

Determining sample size for research activities

RV Krejcie, DW Morgan - Educational and psychological …, 1970 - journals.sagepub.com
No calculations are needed to use Table 1. For example, one may wish to know the sample
size required to be representative of the opinions of 9000 high school teachers relative to …

Paradigms lost and pragmatism regained: Methodological implications of combining qualitative and quantitative methods

DL Morgan - Journal of mixed methods research, 2007 - journals.sagepub.com
This article examines several methodological issues associated with combining qualitative
and quantitative methods by comparing the increasing interest in this topic with the earlier …