***** To join INSNA, visit http://www.sfu.ca/~insna/ ***** Yesim, Yesim Sungu wrote: >***** To join INSNA, visit http://www.sfu.ca/~insna/ ***** > >Hi, >As I read more about the social networks analysis, more questions arise >about the egocentric vs. sociometric studies. >I appreciate if you could help me with some of the questions I have. > >I have a egocentric data set which I collected by using a >semi-structured interview with firms in two regions. My goal is to >explore the extent and nature of the technological innovation networks >in two regions. > >1. In one region I have 22 firms (%50 of total identified firms) and in >other I have 67 firms (%70 of total). Is a sample size of 22 firms a >problem for egocentric studies? > These response rates may be a bit low, but it depends on which 50% and 67% you reached and what you intend to do with the data. > >2. I was able to collect information only on alter and ego properties, >ego-alter relations and their properties. >Unfortunately I couldn't collect reliable info on alter-alter relations. >Is it okay to have only ego-alter relations for egocentric studies? > That's OK, most ego-centric and sociometric studies do not collect data on alter-alter relations. > >3. I appreciate if you could suggest me any egocentric studies from >which I can get a better idea of usage of network measures. > > I will send some papers in a separate email. Presumably you've talked to Pat Doriean at U. Pitt.. - Tom V. -- To learn more about my evaluation book go to: http://www.oup-usa.org/isbn/0195141768.html My personal webpage: http://www-hsc.usc.edu/~tvalente/ --- Thomas W. Valente, PhD Director, Master of Public Health Program http://www.usc.edu/medicine/mph/ Department of Preventive Medicine School of Medicine University of Southern California 1000 S. Fremont Ave. Building A Room 5133 Alhambra CA 91803 phone: (626) 457-6678 fax: (626) 457-6699 email: [log in to unmask] _____________________________________________________________________ SOCNET is a service of INSNA, the professional association for social network researchers (http://www.sfu.ca/~insna/). To unsubscribe, send an email message to [log in to unmask] containing the line UNSUBSCRIBE SOCNET in the body of the message.