Table 1.

Sum of quantitative responses for each software package

	Covidence	SRA-Helper for EndNote	Rayyan	RobotAnalyst
How easy was it to learn how to use…a	8	10	10	9
How would you rate the general usability of…b	9	8	8	8
How would you rate the response time of…c	6	10	7	5
Total (out of a possible 30 points)d	23	28	25	22

^a2 = very difficult, 4 = difficult, 6 = not so difficult; 8 = easy, 10 = very easy

^b2 = not at all user friendly, 4 = not user friendly, 6 = slightly user friendly, 8 = fairly user friendly, 10 = very user friendly

^c2 = very slow, 4 = slow, 6 = manageable, 8 = quick, 10 = very quick

^dThe greater the number, the more favourable the response