Crash Test
We contracted with the same crash test facility used by NHTSA and commissioned crash tests somewhat faster than those used by NHTSA and on a sled that more closely mimics a modern vehicle seat design for our booster tests in this review. Each seat was tested in the same manner, and test results were collected using the same kind of crash test dummies and sensors. The crash test results were analyzed and compared to each other before a score was assigned so the results could more easily be compared to one another. Data was collected from head and chest sensors, and scores for each were used to calculate the overall crash test score. Every seat in this review meets federal guidelines and is considered safe; our tests are designed to identify those that stand out from the pack and might offer an additional margin of safety. We run a slightly faster test using a crash sled that better mimics modern vehicle seats than those used in federal guideline testing.
Ease of Use
We considered features and functionality related to everyday use. We tested the installation, headrest adjustments, recline, and whether or not little ones could use the seat without help. This included buckling themselves in and using the shoulder strap retainer. Finally, we tested how easy the seats were to move from car to car and how difficult they were to carry for parents who would be using their boosters for carpooling or travel.
Weight/Size
We weighed each seat in its high-backed form if it had it. We used the same scale and the same tester to ensure consistency. We measured each seat at its widest point on the bottom so parents could determine if a specific seat would fit in the backseat of their car with other passengers or possible car seats.
Comfort
The boosters were compared side-by-side to see how each felt compared to the others. Little testers gave their feedback on how comfortable the boosters were in real life and everyday use. We considered their feedback, our impressions of the materials, and how comfortable they would be for napping and longer trips.
Quality
The boosters were reviewed for the materials used and the overall construction of the seat. This included the foam, padding, fabric, and shell. We considered the connection points, stitching, how the fabric fits the frame, and the stability of the shell. The final considerations are the overall fit and finish of the seat, the attention to detail, and how each option is compared to the others in the review.