Table 2.

Contextual influences (not mutually exclusive)

Type of relationship	Number of studies
Student–teacher8,14,16–19,21,23–31,33,38–46,49–57,60,62,63,65–70,72,73,75,76,84–141	106
Online/web-based16,19,40,41,56,72,87,93,95,109,126,127,130,142	14
Graduate student; teacher or advisee19,40,41,56,87,127,130,143	8
Powerful; authority42,75,97,98,108,140,141	7
Social, peer (roommate and student inter-relationships)32,38,144–147	6
Counselor–client74,77,80,148,149	5
Supervisor–subordinate10,12,70,141,150	5
Intimate partner32,34,70,151	4
Teacher assistant/student tutors58,73,139,152	4
Human–computer interaction126,130,138,153	4
Provider/physician–patient20,154	2
Military student–teacher93	1
Coach–athlete61	1
Librarian–library users37	1