| Measurement Items | University | N | Mean | Std. Deviation | Mean Difference | t | Sig. (2-tailed) |
| Reference Services (RS) | JU | 62 | 4.25 | 1.214 | −0.100 | −0.544 | 0.587 |
| UG | 80 | 4.35 | 1.107 |
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| Emails (RS1) | JU | 62 | 4.33 | 1.339 | −0.125 | −0.619 | 0.537 |
| UG | 80 | 4.45 | 1.211 |
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| Indexing & abstracting services (RS2) | JU | 62 | 4.44 | 1.029 | −0.100 | −0.646 | 0.519 |
| UG | 80 | 4.54 | .927 |
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| Bibliographic service (RS3) | JU | 62 | 4.04 | 1.373 | −0.150 | −0.716 | 0.475 |
| UG | 80 | 4.19 | 1.274 |
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| Selective Dissemination of Information (RS4) | JU | 62 | 4.31 | 1.318 | −0.125 | −0.625 | 0.533 |
| UG | 80 | 4.44 | 1.210 |
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| |
| New arrivals alerts (RS5) | JU | 62 | 4.25 | 1.364 | −0.050 | −0.239 | 0.811 |
| UG | 80 | 4.30 | 1.277 |
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| Current Awareness Services (RS6) | JU | 62 | 4.14 | 1.447 | −0.050 | −0.224 | 0.823 |
| UG | 80 | 4.19 | 1.370 |
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| |
| Electronic document delivery (RS7) | JU | 62 | 4.25 | 1.419 | −0.100 | −0.461 | 0.645 |
| UG | 80 | 4.35 | 1.323 |
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