Academic libraries Evaluation 7 Academic librarians 4 Electronic reference services (Libraries) 4 Library applications 4 Library users 4 Reference services 4 Use studies 4 Attitudes 3 Effect of technological innovations on 3 Information services 3 Information technology 3 Online social networks 3 Psychology 3 Reference services (Libraries) 3 Automation 2 Collection development 2 Collection development (Libraries) 2 Electronic information resources 2 Librarians 2 Libraries and students 2 Library Web sites 2 Library anxiety 2 Library materials 2 Library resources 2 Library use studies 2 Medical students 2 Needs assessment 2 Psychological aspects 2 Quality control 2