Technology acceptance of a mobile portfolio app for teacher education: Pre-service teachers views on multimedia-based note-taking and mentoring in internships

Figures & data

Figure 1. Core functionality of the Metapholio App (from left to right): Collecting moments, a collections of moments, writing a reflection, a written reflection.

Figure 2. Examples of two student portfolios. Left: Example from the Metapholio group. Right: Example from the Metapholio light group.

Table 1. Treatment group comparisons of means and standard deviations (in parentheses) of UTAUT2 ratings (pretest and post-test)

	Metapholio pretest	Metapholio light pretest	Control pretest	Metapholio post-test	Metapholio light post-test	Control post-test
Performance expectancy	4.49 (1.08)	4.27 (1.28)	4.33 (1.20)	4.37 (1.47)	2.47 (1.46)	4.09 (1.37)
Effort expectancy	5.28 (1.23)	5.84 (0.93)	5.81 (1.21)	6.39 (0.81)	6.33 (0.80)	5.92 (1.12)
Social influence	4.06 (0.98)	4.18 (1.42)	4.36 (0.86)	4.60 (1.78)	2.70 (1.84)	3.95 (1.35)
Facilitating conditions	5.41 (1.14)	5.84 (1.18)	5.92 (1.09)	6.08 (0.93)	6.10 (0.80)	6.12 (0.98)
Hedonic motivation	4.23 (1.23)	4.24 (1.71)	4.49 (1.76)	4.96 (1.49)	2.76 (1.80)	4.31 (1.30)
Habit	3.31 (1.15)	3.41 (1.14)	4.41 (1.04)	2.89 (1.04)	1.72 (0.84)	4.59 (0.85)
Behavioral intention	4.52 (1.25)	4.49 (1.21)	4.85 (1.49)	4.63 (1.44)	2.41 (1.59)	4.40 (1.33)

Figure 3. Performance expectancy pre-post *group; effort expectancy pre-post *group; social influence pre-post *group; facilitating conditions pre-post *group; hedonic motivation pre-post *group; habit pre-post *group; behavioral intention pre-post *group.

Table 2. Multilevel linear regression models comparing the development of UTAUT2 variables t0-t4 across treatment groups

Coefficient	Performance expectancy	Effort expectancy	Social influence	Facilitating conditions	Hedonic motivation	Habit	Behavioral intention
(Intercept)	4.33 (0.26)***	5.81 (0.20)***	4.36 (0.28)***	5.92 (0.20)***	4.49 (0.31)***	4.41 (0.2)***	4.85 (0.27)***
t.	−0.24 (0.32)	0.12 (0.26)	−0.41 (0.37)	0.19 (0.26)	−0.18 (0.36)	0.17 (0.26)	−0.45 (0.34)
groupMetapholio	0.16 (0.36)	−0.53 (0.28)^†	−0.3 (0.39)	−0.51 (0.28)†	−0.26 (0.43)	−1.1 (0.28)***	−0.32 (0.38)
groupMetapholio light	−0.06 (0.36)	0.03 (0.28)	−0.18 (0.39)	−0.08 (0.28)	−0.25 (0.42)	−1.01 (0.28)***	−0.35 (0.38)
t.:groupMetapholio	0.12 (0.45)	1 (0.36)**	0.95 (0.52)†	0.48 (0.36)	0.92 (0.50)†	−0.59 (0.35)†	0.56 (0.47)
t.:groupMetapholio light	−1.56 (0.45)***	0.38 (0.35)	−1.07 (0.51)*	0.07 (0.36)	−1.3 (0.49)**	−1.86 (0.35)***	−1.63 (0.46)***
sd_(Intercept)	0.61	0.44	0.5	0.43	0.89	0.44	0.69
sd_Observation	1.17	0.92	1.34	0.94	1.29	0.92	1.21

p-Value: ^***p < .001, ^**p < .01, ^*p < .05, ^†p < .1.

Figure 4. Performance expectancy pre-post *group; effort expectancy pre-post *group; social influence pre-post *group; facilitating conditions pre-post *group; hedonic motivation pre-post *group; habit pre-post *group and behavioral intention pre-post *group.

Table 3. Treatment group comparisons of means and standard errors of UTAUT2 (t1 – t2)

	Metapholio mentored pretest	Metapholio unmentored pretest	Metapholio mentored post-test	Metapholio unmentored post-test
Performance expectancy	4.40 (1.26)	4.29 (1.45)	3.22 (1.57)	2.74 (1.79)
Effort expectancy	5.51 (1.19)	5.26 (1.63)	6.55 (0.71)	6.12 (1.12)
Social influence	4.44 (1.06)	4.35 (1.23)	3.83 (1.74)	2.98 (1.73)
Facilitating conditions	5.72 (0.99)	5.29 (1.28)	6.13 (0.95)	5.82 (1.15)
Hedonic motivation	4.11 (1.42)	4.22 (1.51)	3.88 (1.75)	3.57 (2.06)
Habit	3.69 (1.12)	3.55 (1.16)	2.23 (1.15)	2.36 (1.37)
Behavioral intention	4.62 (1.10)	4.25 (1.65)	3.40 (1.72)	2.75 (1.84)

Table 4. Multilevel linear regression comparing the development of UTAUT2 ratings t1-t2 across treatment groups

Coefficient	Performance expectancy	Effort expectancy	Social influence	Facilitating conditions	Hedonic motivation	Habit	Behavioral intention
(Intercept)	4.29 (0.237)***	5.26 (0.187)***	4.35 (0.227)***	5.29 (0.17)***	4.22 (0.264)***	3.55 (0.186)***	4.25 (0.248)***
t.	−1.54 (0.28)***	0.86 (0.218)***	−1.37 (0.284)***	0.52 (0.18)**	−0.65 (0.274)*	−1.19 (0.23)***	−1.49 (0.247)***
groupMetapholio mentored	0.12 (0.341)	0.25 (0.27)	0.1 (0.327)	0.43 (0.245)†	−0.11 (0.38)	0.14 (0.268)	0.37 (0.357)
t.:groupMetapholio mentored	0.36 (0.404)	0.18 (0.314)	0.76 (0.409)†	−0.11 (0.259)	0.42 (0.395)	−0.26 (0.331)	0.28 (0.356)
sd_(Intercept)	0.84	0.69	0.69	0.73	1.16	0.59	1.14
sd_Observation	1.28	1	1.3	0.82	1.26	1.05	1.13

***p < .001; **p < .01; *p < .05; †p < .1.