Transcript Integrating the National Science, Mathematics, Engineering

Data From Tenopir & King
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18,000+ scientists and social scientists
1977 to present
University and non-university workplaces
Mostly North America
Recent studies of Astronomers, Medical
faculty, faculty and students at several
universities
Three Types of Data
 Demographic
 Estimates of behavior
 Details of “last” reading
Articles:
“can include those found in journal
issues, Web sites, or separate copies
such as preprints, reprints, and
other electronic or paper copies.”
Readings:
“going beyond the table of
contents, title, and abstract to the
body of the article.”
Average number of articles
read per scientist
AverageArticles Read per Scientist
www.dlib.org/dlib/october03/king/10king.html
250
216
200
150
150
172
188
100
50
0
1977
1984
1993
Year of Studies
2000-03
Scholarly Article Reading
Work Field
Univ. Med.
Articles Read
(Per Year)
~322
Time Spent
(Hours)
118
Time Per
Article (Min)
22
Chemists
~276
198
43
Life Scientists
Physicists
~239
~204
104
153
26
45
Soc Sci/Psych
~191
121
38
Engineers
~72
97
81
Average Annual Amount of Reading
250
Engineers
200
Scientists
150
Medical
Professionals
100
50
0
Scholary
Journals
Trade
Journals
Books
Reports
Patents
(Hrs)
300
Average Annual Amount of Time
(Hours) Spent Reading
250
Engineers
200
Scientists
150
Medical
Professionals
100
50
0
Scholarly
Journals
Trade
Journals
Books
Reports
Patents
Purpose and Ranking of Importance:
University Medical
#3
Primary Research
29.9%
#5
Current Awareness
22.1%
#4
Teaching
16.9%
#2
Writing
11.7%
#6
Other Purpose
9.0%
#7
Background
6.5%
#1
Consulting/Advising
3.9%
Average Number of Personal
Subscriptions to Scholarly Journals
6
5
4
3
2
1
0
1977
19781983
1984
1985- 1990- 1994- 2000- 20021989 1993 1998 2001 2003
Years of Observation
Personal Subscriptions
 All studies average 2.2
 All UT science faculty average
3.8
 Medical faculty average 6.3
Sources of Readings
42.9 %
21.4 %
35.7 %
Universities
Separate
Personal
Library
22.1 %
15.6 %
62.3%
Medical Faculty
49 %
36 %
15 %
Astronomers
Print or Electronic
Electronic
37 %
63 %
Print
20 %
80 %
Universities
25 %
75 %
Medical Faculty
Astronomers
Means of Learning About Articles Read
Browse
29%
49%
22%
Search
Other
37%
21%
39%
Astronomers
Universities
20.8%
16.9% 62.3%
Medical Faculty
Format of Reading
Educational Degree
Print
Electronic
M.D., only
33
1
Ph.D., only
18
17
Both M.D. and Ph.D.
1
0
Neither degree
4
0
Total
56
18
Astronomy Articles Read per Month
vs. Productivity
14
12
10
8
6
4
2
0
Non-Prod
Average
Productive
Awareness and Use of ADS by
Productive PhD Astronomers
100
90
Young
(<36)
80
70
60
Middle
(36-50)
50
40
30
Old (>50)
20
10
0
Aware ADS
Use ADS
% Using
Awareness and Use of ADS
by not-Productive PhD Astronomers
100
90
80
Young
(<36)
70
60
50
Middle
(36-50)
40
30
20
Old (>50)
10
0
Aware ADS
Use ADS
% Using
Average Time Spent Reading Per
Article by Astronomers
• U.S. astronomers (n=306)
average 36 minutes
• Non-U.S. astronomers (n=83)
average 43 minutes
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o
Source of Reading by Astronomers
30
25
20
15
U.S.
10
5
NonU.S.
0
Tenopir and King, Communication
Patterns of Engineers, NY:
IEEE/Wiley, 2004
Use and Users of Electronic Library
Resources: An Overview and Analysis
of Recent Research Studies
www.clir.org/pub/reports/pub120/pu
b120.pdf
Patterns of Journal Use by Faculty at
Three Diverse Universities. October
2003
http://www.dlib.org/dlib/october03/ki
ng/10king.html
Future Studies
• Pediatricians
• University faculty and students in
Australia
• University faculty and students in
Finland
• Scientists in Chile and Brazil
• Tenopir & King surveys also being
replicated in Cuba and Argentina