Communications Psychology

Table 3 Cluster analysis on information-seeking

From: Three diverse motives for information sharing

Exp1						Replication
Uncertainty-Dominant Group						Uncertainty-Dominant Group
Motives	Mean β	95% CI	t	df	p	Motives	Mean β	95% CI	t	df	p
Uncertainty	0.658	[0.58, 0.72]	19.15	23	<0.001	Uncertainty	0.648	[0.58, 0.71]	20.48	33	<0.001
Valence	0.018	[−0.03, 0.07]	0.66	23	0.51	Valence	−0.013	[−0.5, 0.02]	−0.65	33	0.51
Instrumentality	0.163	[0.05, 0.27]	3.16	23	0.004	Instrumentality	0.158	[0.08, 0.23]	4.20	33	<0.001

Instrumentality-Dominant Group						Instrumentality-Dominant Group
Motives	Mean β	95% C	t	df	p	Motives	Mean β	95% CI	t	df	p
Uncertainty	0.040	[−0.01, 0.09]	1.42	42	0.16	Uncertainty	0.081	[0.02, 0.14]	2.88	34	0.006
Valence	0.028	[0.001, 0.05]	2.16	42	0.036	Valence	0.026	[−0.02, 0.08]	0.96	34	0.34
Instrumentality	0.817	[0.76, 0.86]	33.73	42	<0.001	Instrumentality	0.775	[0.70, 0.84]	23.31	34	<0.001

Valence-Dominant Group						Valence-Certainty-Dominant Group
Motives	Mean β	95% CI	t	df	p	Motives	Mean β	95% CI	t	df	p
Uncertainty	−0.053	[−0.12, 0.01]	−1.55	41	0.128	Uncertainty	−0.201	[−0.31, −0.09]	−3.73	30	<0.001
Valence	0.234	[0.14, 0.32]	5.22	41	<0.001	Valence	0.170	[0.09, 0.24]	4.50	30	<0.001
Instrumentality	0.084	[0.01, 0.15]	2.51	41	0.016	Instrumentality	0.018	[−0.06, 0.09]	0.46	30	0.64

Decisions revealed that participants were clustered into the following three groups: (i) “Uncertainty-Dominant Group“, “Instrumentality-Dominant Group” and “Valence-Dominant Group”(Exp1)/“Valence-Certainty-Dominant Group”(Replication)/. For each cluster a one-sample t-test was performed for each Beta.

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