Metric |
Explanation |
Sources |
Impact Factor™ |
The trade marked number provided by ISI/Thompson Rutgers, that gives a quantitative indication of impact though the evaluation of citation rates. This number underrepresents the field of education, and while it should be used when available its relative value should be considered lower than other indicators of impact. Generally numbers closer to 1 are considered high. |
Journal Citation Reports (ISI) |
SCImago Journal & Country Rank (SJR) |
This number provided by Scimago Lab and drawn from data provided by Elesvier in their Scopus databases that gives a quantitative indication of impact though the evaluation of citation rates. This number better represents the field of education, its relative value should be considered as higher than other numbers. Generally higher numbers are considered to be better. |
|
h-index |
Developed by Hirsch this number indicates the productivity and impact of a scholar. Most often used to represent individuals this a quantitative indication of impact though the evaluation of citation rates can also be calculated for individual publications including journals and books. Sources derive the number from accessible online sources. Its relative value should be considered as higher than other numbers. Generally higher numbers are considered to be better. |
http://www.scimagojr.com/index.php http://www.harzing.com/pop.htm Google Scholar Metrics |
g-index |
Developed by Egghe this number indicates the productivity of a scholar based on publication record. . Most often used to represent individuals this a quantitative indication of impact though the evaluation of citation rates can also be calculated for individual publications including journals and books. Sources derive the number from accessible online sources. Its relative value should be considered as higher than other numbers. Generally higher numbers are considered to be better. |
|
i10-index |
Number of academic publications by an author that have at least 10 citations. Designed and implemented by Google. Generally higher numbers are considered to be better. |
Google Scholar Metrics |
Total Number of citations |
A raw number of citations that has not been used to compute an factor or index from above. Generally higher numbers are considered to be better. Also can be used to show increase or decrease of citations over time. Can also be shown for individual articles as well as for entire bodies of work. |
http://www.harzing.com/pop.htm Google Scholar Metrics |
Number of downloads |
An indication of how much a scholarly work has been used by others. Gives a wide representation of use. Generally higher numbers are considered to be better. |
Database management systems Libraries |
Number of views |
An indication of how much a scholarly work has been viewed by others. Gives a wide representation of use. Generally higher numbers are considered to be better. |
Database management systems Libraries |
Number of links |
An indication of how many times others have linked to or directed individuals to a scholarly work. Gives a wide representation of use. Generally higher numbers are considered to be better. |
Database management systems Libraries |
Indexing Services |
Indicates where the scholars work is indexed and presented. Context and indications of prestige for databases or indexing services should be given. Major databases for Education include: ERIC, Education Full Text, and PsycInfo are considered the most prestigious. |
Cabell’s Directory Ulrich’s Publication Website Libraries |
Number of Subscribers/Readers |
Indicates how many scholars/ readers interact with an individual publication or its outlet. Indicators can also include number of copies sold for books and other formats. Generally higher numbers are considered to be better. |
Ulrich’s Publication Website Libraries Personal Communication Company Information |
chart from Rachel Wadham <rachel_wadham@BYU.EDU>