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This website has truly been a welcome gift! The Day Pass is extremely affordable & the site is so user friendly to navigate. It provides a wealth of information including, the source, validity, & references for my doctorate research project. I highly recommend this to anyone as it is truly an invaluable research tool!
Suzanne Cromlish, PhD
Saint Xavier University, Chicago


This is a four-item, four-point, Likert-type scale measuring the deficiency one perceives in his/her social relationships. Referring to an unpleasant subjective experience, this is not necessarily the same as social isolation. Therefore, at one extreme, a person could feel lonely in a crowd or, at the other extreme, could be alone and not feel lonely.