Consumer usability of flexible vs. rigid lower anchor hardware in infant child restraint system (CRS) installations

Figures & data

Figure 1. CRS bases with flexible LA system (top) and rigid LA system (bottom).

Table 1. User preferences.

Statement	Rigid LA, mean response	Flexible LA, mean response	p-value (Wilcoxon signed rank test)
The seat was physically easy to install (It did not take a lot of strength or physical effort)	1.87	0.93	0.033
The seat was intuitive to figure out (I could just look at it and figure out what to do).	0.77	0.13	0.067
I am confident that I installed the seat correctly	2.17	1.07	0.002

Figure 2. Distribution of participants’ LA type preference with respect to level of previous CRS experience.