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Description
How to Set Parameters: Arguments From Language ChangeAuthor Contributor(s): Lightfoot, David W. Publisher: Bradford Books Date: 10 4 1993 Binding: Paperback Condition: NEW Over the past decade, generative grammarians have viewed language acquisition as a process of fixing option points or parameters defined in Universal Grammar. Here David Lightfoot addresses the crucial question of what it takes to set a parameter of what kind of experience is needed to trigger the emergence of a natural kind of
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Best in 7 days
Best in 7 days
Best in 7 days
Best in 7 days
4.8 ★★★★★
Based on 1304 reviews
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Product Reviews
★★★★★ 5
Compact and performs well
Color: Pink
After reading the reviews I purchased this item. I have been very satisfied with the performance of this item.
*The charge lasts a couple of days, after two of us using it at least twice a day.
*I like the option of the settings and the placement of them on the handheld.
*it is compact yet very sturdy
* I like the tools (water pics) included
*no leaking, great water pressure, so far it has been very durable
*bought it mainly for travel, but using it daily at home for ease of use, size, and performance
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Reviewed in the United States on March 20, 2026
★★★★★ 4
Great for Travel, Easy to Use
Color: Green
This was exactly what I needed for travel. It came as described and made it easy to keep up with my oral hygiene while away from home. It’s compact enough to fit in a travel bag without taking up too much space, and I plan to keep this as a permanent staple for trips.
Setup was simple, and the instructions were clear and easy to follow. It charged quickly, filled without any hassle, and the different water pressure settings felt just right, not too weak and not too intense.
My only small critique is that the attachments don’t have any color-coding. Since my wife and I plan to share the device (with separate tips), it would’ve been helpful to easily tell them apart. We’re currently using a sticker to differentiate, but that may not hold up long-term.
Overall, this is a solid and convenient option for travel.
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Reviewed in the United States on April 8, 2026
★★★★★ 5
Easy to use and very portable!
Color: Green
I've been impressed that despite the size, it's got plenty of power. It's small enough to take on trips, but it still does a pretty good job of cleaning between my teeth.
I've been using the large one for years, but this has replaced them. There are a few different settings, which is handy if you have sensitive gums. I've found it pretty effective and easy to use. The water tank expands, which is a cool feature, and you can store the attachment in the top making even more compact. While it might not be as powerful as the bigger models, it's been a nice addition to my daily routine, especially when I'm traveling. It's convenient, simple, and works well.
I recommend filling from the top hole and leaving the bottom hole open to help dry it out when finished. Overall it's been terrific.
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Reviewed in the United States on January 20, 2025
★★★★★ 5
compact flosser
Color: Green
works well for me when traveling does not leak not expensive and compact
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Reviewed in the United States on May 31, 2026
★★★★★ 1
Will not charge after 1 month
Color: Pink
Liked this product, compact, good water pressure, easy to travel with, but I just tried to charge it for the 1st time after about a month of use and it will not register a charge. I've tried a bunch of different cables. It's just a hunk of useless plastic now and there's no way to contact the seller without leaving a review, which was not my preference.
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Reviewed in the United States on May 31, 2026
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