‘We are looking for people like you’ – new technique of social influence as a tool of improving response rate in surveys

Figures & data

Table

		Group
		Experimental	Control
Agreed to answer questions	Yes	76 (62.8%)	54 (44.6%)
	No	45 (37.2%)	67 (55.4%)

Table

	CONTROL GROUP	WE ARE LOOKING (…) GROUP	t-test value
How much do you spend on food each month? (in Polish zlotys)	M = 1003.57, SD = 636.36	M = 1210, SD = 926.54	t(162) = 1.66, ns
How much time do you spend watching TV every day? (In hours)	M = 1.464, SD = 3.68	M = 1.490, SD = 1.34	t(162) = 0.06, ns
How often do you check the balance of your bank account in a month?	M = 8.87, SD = 9.80	M = 8.36, SD = 8.93	t(162) = 0.35, ns

Table

Independent Samples T-Test
		Statistic	df	p		Effect Size
Q 1	Student’s t	4.139	770	< .001	Cohen’s d	0.2979
Q 2	Student’s t	-11.739	770	< .001	Cohen’s d	-0.8450
Q 3	Student’s t	1.926	770	0.055	Cohen’s d	0.1386
Q 4	Student’s t	0.617	770	0.538	Cohen’s d	0.0444
Q 5	Student’s t	-4.030	770	< .001	Cohen’s d	-0.2901
Q 6	Student’s t	-8.312	770	< .001	Cohen’s d	-0.5983

^aLevene’s test is significant (p < .05), suggesting a violation of the assumption of equal variances.

Table

Group Descriptives
	Group	N	Mean	Median	SD	SE
Q6_1	Control	388	5.74	6.00	3.42	0.174
	Experimental	384	4.75	5.00	3.27	0.167
Q6_2	Control	388	2.65	1.00	2.86	0.145
	Experimental	384	5.38	5.00	3.56	0.181
Q6_3	Control	388	3.67	2.00	3.54	0.180
	Experimental	384	3.19	1.00	3.38	0.172
Q6_4	Control	388	6.16	7.00	3.52	0.179
	Experimental	384	6.01	7.00	3.68	0.188
Q6_5	Control	388	1.89	1.00	2.56	0.130
	Experimental	384	2.70	1.00	3.05	0.156
Q6_6	Control	388	3.07	1.00	3.34	0.169
	Experimental	384	5.10	5.00	3.44	0.175

Data availability statement

The data that support the findings of this study are available from the corresponding author, TG, upon reasonable request.