Joel Werner

speaker
1,849 appearances 34 recordings 2 series first heard Sep 2011 last heard Nov 2017

Joel Werner’s voice in public audio — every appearance, attributed to the second.

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Health Report · Witness the fitness · 26 Dec 2016 podcast
But how good are they at transforming that step data into other measurements like distance walked or calories burned? matched
Kelly Evanson is a research professor at the University of North Carolina. matched
She's done a bunch of work at RTI International, which is where she met Robert Ferberg. matched
And why do you think that is? matched
Is that because calories it's one of the outer concentric circles, to borrow the metaphor from before, it's more of a calculated outcome. matched
This is the Health Report on RN, and today we're getting physical with fitness trackers. matched
I'm Joel Werner. matched
So, these devices are good at measuring steps and uh pretty good at transforming that step data into other measurements. matched
But that's not really the point, is it? matched
You don't buy a fitness tracker to get a super accurate measurement of, say, how many calories you've burned. matched
You buy a fitness tracker to get fit, to help you lose weight. matched
So how good are they at that? matched
Here's Matesh Patel again. matched
one of the big hurdles after you give someone a fitness tracker is to make sure they keep using it. matched
Market research shows that up to 50% of people stop using these devices within the first year of owning one. matched
A common criticism of fitness trackers is that they're just a novelty gadget for people who are already fit and healthy. matched
So Matesh Patel focused his research on groups that could benefit the most from these devices. matched
He took people who were overweight or obese and examined the effect of a daily financial incentive on their motivation to be active. matched
The control group didn't receive any incentive, but for the three experimental groups, the incentive was worth one dollar forty a day and was delivered under one of three conditions. matched
This is kind of like how Keegan mentioned earlier that he'll bet his dad a round of beers to see who registers the most steps in a week. matched
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