2. Theoretical motivations Previous studies focused on finding significant differences between learning outcomes in courses using the Internet and courses taught with traditional delivery methods While the academic use of web technologies among professional researchers and the methods by which they access information, scholarly community, services, and technologies have been analyzed

3. Data collection: Convenience sampling Respondents were recruited through undergraduate classes in South Korea The survey was conducted during June, 2008 . Of 238 students who logged onto the survey, 182 (76.47%) started answering but only 104 ( 57.14% ) finished the survey. After the deletion of unreliable answers, the study sample comprised 100

4. Basic demographics of participants Items Average S.D. Minimum Maximum Age 22.88 5.21 19 28 Internet experience (years) 9.10 (Median: 9) 1.67 4 13

7. Questions Q1 Q2 Q3 Q4 Q5 100 times and more Material(134) Search(121) Information(108) Material(104) Material(103) Material(178) Information(115) Internet(107) 50~99 times Naver(77) Use(62) Information(93) Search(92) Project(54) Information(53) Think(92) Internet(82) Material(88) Information(67) Think(63) Use(63) 30~49 times Website(45) Portal (41) In the case of(39) Blog(39) Gather(39) Café(39) Internet(37) Search(47) Use(43) Relatedness(45) Internet(42) Use(37) Website(32) Person(35) Content(33) Credibility(30) Internet lecture(46) Improve(37) Website(33) Academic performance(33) 20~29 times Google(29) Need(28) Knowledge-iN(27) Use(26) Naver(26) Method(26) Person(25) In the case of(23) Reason(23) Internet(22) Website(21) Convenience(21) Collect(29) Recent(29) Content(28) Naver(28) Blog(26) Portal(23) Think(20) In the case of(27) Word(26) Scholarly material(25) Search(24) Source(22) Website(20) Correct(20) Search(29) Method(28) Person(24) Recommend(24) My(21) Relatedness(20)

8. 10~19 times Daum(18) Content(13) Majority(13) Keyword(13) Registration(12) Library(12) Ordinary(12) Person(12) Think(12) Encode(12) Search engine(11) Encyclopedia(10) Collect(10) Logging(10) Think(19) Content(18) Method(17) Use(17) Time(17) Prefer(15) Book(15) Correct(14) Google(13) Knowledge iN(12) Knowledge(11) Majority(10) Vast(10) Portal(10) Café(18) Find out(17) Need(16) Project(15) Partly(15) Summary(13) Knowledge-iN(13) Keyword(13) Use(11) Theme(11) Search engine(10) Encode(10) Reference(10) Use(19) Reply(28) Knowledge-iN(17) Need(15) Knowledge(14) Naver(12) Credibility(36) Problem(11) Friend(11) Writings(10) Scholarly article(10) Work(10) Specialized(10) Help(17) Study(17) Time(15) Café(15) Word(13) Library(12) Offline(12) Importance(11) In the case of(10) Naver(10) Blog(10) Correct(10) Suggest(10) Knowledge(10) Need(10) Take advantage of(10) 5~9 times Search query(9) Yahoo(8) Words(7) Website(7) Image(7) Study(7) Search window(6) Service(6) Credibility(5) Specialized site(5) Specialized material(5) Video clip(5) Simple(8) Library(8) Café(8) Scholarly article(7) Collect(7) Opinion(7) Gather(7) Share(6) Blog(6) Access(6) Keyword(6) Specialized(5) Computer(5) Advertising(8) Google(8) Scholarly article(8) Class(8) Book(8) Search window(7) Library(7) Link(7) Daum(6) Search query(6) Media report(6) News(6) Image(6) Search result(5) Specialized(5) Portal(5) Reference(9) Verification(7) Judge(7) Certainly(7) Library(6) Project(6) Vast(6) Method(6) Blog(6) Specialized site(6) Subjective(6) Book(6) Correct(5) Reference(9) Share(8) Specialized site(8) Book(8) Class(7) Friend(7) Recommend(6) Source(6) Computer(6) Certainly(6) Study site(6) Knowledge-iN(5) Scholarly article(5) Credibility(5)

10. Reasons for academic Internet use Item No. of students in question 2 Percentage Convenience 51 38.64% Promptness 26 19.70% Trustworthiness 11 8.33% Habituality 10 7.58% Correctness 8 6.06% Vastness 8 6.06% Diversity 7 5.30% Accessibility 4 3.03% Efficiency 4 3.03% Scarcity and uniqueness 2 1.52% Other 1 0.76% Sum 132 100%

11. Academic use of web technologies for scholarly purposes Research Process No. of students in question 1 No. of students in question 3 Choosing the Research Topic 1 (0.81%) 2 (1.71%) Background Information 89 (72.36%) 80 (68.38%) Literature Review 27 (21.95%) 17 (14.53%) Data Collection 0 (0.00%) 15 (12.82%) Data Analysis 0 (0.00%) 0 (0.00%) Writing up 5 (4.07%) 2 (1.71%) Sum 123 117

12. Credibility perceptions on online academic information Components of perceived credibility in question four Trustworthiness Insufficient Sufficient Expertness Insufficient 25 (25%) 31 (31%) Sufficient 24 (24%) 15 (15%)