Adva nc e s in Me a suring Ph.D. fro m MI T (c o mpute r visio n) - - PDF document

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Adva nc e s in Me a sur ing Be ha vior F a ll 2011

No rthe a ste rn Unive rsity 1

Adva nc e s in Me a suring Be ha vior

PHT H 5228

Pro f. Ste phe n I ntille Offic e : 450 WVH s.intille @ ne u.e du

Adva nc e s in Me a sur ing Be ha vior F a ll 2011

No rthe a ste rn Unive rsity 2

Who a m I?

• BSE

in CSE fro m Pe nn

• Ph.D. fro m MI

T (c o mpute r visio n)

• “Ho me o f the F

uture ” a nd a rc hite c ts

• He a lth a nd Ho use _n
• No rthe a ste rn (Se p 2011)

– Ne w Ph.D. Pe rso na l He a lth I nfo rma tic s – I nte re sts: me a suring a nd mo tiva ting b e ha vio r c ha ng e using te c hno lo g y, pe rso n-fa c ing he a lth a nd we llne ss syste ms, disruptive he a lth

Adva nc e s in Me a sur ing Be ha vior F a ll 2011

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Who a re you?

Adva nc e s in Me a sur ing Be ha vior F a ll 2011

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Your be ha vior...

T

• da y, ho w ma ny minute s ha ve yo u spe nt

sitting ?

How c onfide nt a re you?

Adva nc e s in Me a sur ing Be ha vior F a ll 2011

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Your be ha vior...

I n the la st we e k, ho w ma ny so da s ha ve yo u dra nk?

How c onfide nt a re you?

Adva nc e s in Me a sur ing Be ha vior F a ll 2011

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Your be ha vior...

I n the la st we e k, ho w ma ny minute s ha ve yo u b e e n in the c a r? On the T ?

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Your be ha vior...

I n the la st ye a r, o n a ve ra g e , ho w ma ny c ups o f to ma to sa uc e ha ve yo u e a te n e a c h we e k?

Adva nc e s in Me a sur ing Be ha vior F a ll 2011

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Your be ha vior...

I n the la st we e k, list a ll the e ve nts tha t c a use d yo u stre ss.

Adva nc e s in Me a sur ing Be ha vior F a ll 2011

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Your be ha vior...

I n the la st ye a r, ro ug hly ho w ma ny sta irs ha ve yo u c limb e d pe r we e k?

Adva nc e s in Me a sur ing Be ha vior F a ll 2011

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Your be ha vior...

I n the la st mo nth, ho w o fte n we re yo u c a ug ht in a tra ffic ja m?

Adva nc e s in Me a sur ing Be ha vior F a ll 2011

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Your be ha vior...

I n the la st mo nth, ho w o fte n we re yo u po te ntia lly la te b e c a use o f the T ?

Adva nc e s in Me a sur ing Be ha vior F a ll 2011

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Your be ha vior...

I n the la st te n ye a rs, ho w o fte n ha ve yo u wo n the lo tte ry?

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Your be ha vior...

Ho w ma ny time s we re yo u wo ke n fro m sle e p in the middle o f the nig ht e a c h nig ht in the la st we e k?

Adva nc e s in Me a sur ing Be ha vior F a ll 2011

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Your be ha vior...

Appro xima te ly ma ny c a lo rie s did yo u c o nsume ye ste rda y?

Adva nc e s in Me a sur ing Be ha vior F a ll 2011

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Your be ha vior...

On a sc a le fro m 1 (ve ry ha ppy) to 7 (ve ry unha ppy), ho w ha ppy we re yo u ye ste rda y?

Adva nc e s in Me a sur ing Be ha vior F a ll 2011

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Your be ha vior...

On a sc a le fro m 1 (ve ry ha ppy) to 7 (ve ry unha ppy), ho w ha ppy a re yo u rig ht no w?

Adva nc e s in Me a sur ing Be ha vior F a ll 2011

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Your be ha vior...

I n the la st 30 da ys, ho w ma ny time s ha ve yo u ta ke n a da ily vita min?

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Your be ha vior...

On a ve ra g e o n we e kda ys in the la st mo nth, fo r ho w ma ny ho urs a re yo u e xpo se d to stro ng sun? Ho w a b o ut we e ke nd da ys?

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Your be ha vior...

Ye ste rda y, a ppro xima te ly ho w ma ny minute s did yo u spe nd c o mmunic a ting with frie nds fo r fa mily via (1) e ma il, (2) me ssa g ing , (3) pho ne , a nd (4) fa c e -to - fa c e ?

Adva nc e s in Me a sur ing Be ha vior F a ll 2011

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Your be ha vior...

Ho w ma ny time s did yo u sne e ze in the la st we e k?

Adva nc e s in Me a sur ing Be ha vior F a ll 2011

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Your be ha vior...

Ho w ma ny time s did yo u sne e ze in the la st ho ur?

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Wha t’s e a sy? Wha t’s ha rd?

• Re c e nt vs. lo ng a g o ?
• Munda ne vs. e xtra o rdina ry?
• Bina ry vs. fuzzy distinc tio n?
• Co nsta nt vs. c o nte xt-de pe nde nt?
• Ma rke d te mpo ra l b o unda rie s?
• Gut re spo nse vs. c o g nitive c ha lle ng e ?
• ?

Adva nc e s in Me a sur ing Be ha vior F a ll 2011

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(And why? )

Wha t mig ht we me a sure ?

Adva nc e s in Me a sur ing Be ha vior F a ll 2011

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WHO worldwide : c a use d de a th

• Ne w ide a s?

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US pre ve nta ble c a use s of de a th

• Ne w ide a s?

Mokdad et al. (March 2004). "Actual causes of death in the United States, 2000". JAMA 291 (10): 1238–45

Medical errors (IOM)

Adva nc e s in Me a sur ing Be ha vior F a ll 2011

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Hig hly pre va le nt c onditions

• Ne w ide a s?

CDC

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Me a suring be ha vior is c omple x

• E

a c h o f the b e ha vio rs we c o ve r c o uld b e the sub je c t o f o ne o r mo re c o urse s o n the ir o wn

• Re se a rc he rs within e a c h fie ld ha ve strong
• pinio ns a b o ut the b e st instrume nts to use

in the ir sub spe c ia lty

(o n o the r a re a s the y a re usua lly mo re o pe n, b ut a ppro a c h ne w to o ls c a utio usly) Adva nc e s in Me a sur ing Be ha vior F a ll 2011

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Why a surve y c ourse ?

T

• p se c re t ima g e o f typic a l NI

H g ra nt re vie w me e ting o n re se a rc h re la te d to he a lth b e ha vio r ...

Adva nc e s in Me a sur ing Be ha vior F a ll 2011

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Why a surve y c ourse ?

• Mo st b e ha vio rs a re inte rre la te d, b ut to da y
• fte n studie d in a va c uum

(e .g ., die ta ry de c isio n ma king )

• While unde rsta nding c o rre la tio n is

inte re sting , c a usa lity is re a lly wha t we wa nt to de sig n so lutio ns (e .g . sc re e n time )

Adva nc e s in Me a sur ing Be ha vior F a ll 2011

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Why a surve y c ourse ?

• So me time s me a suring multiple b e ha vio rs

to g e the r ma y simplify me a suring pa rtic ula r b e ha vio rs o f inte re st (e .g ., lo c a tio n a nd PA, sitting a nd driving )

• T

e c hno lo g ie s, e spe c ia lly mo b ile a nd se nsing , c re a te ne w o ppo rtunitie s to tra nsfo rm q ua lity o f me a sure me nt

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Our g oa ls a re to be a ble to...

• De sc rib e why b e ha vio r me a sure me nt is

impo rta nt fo r pub lic he a lth a nd pub lic he a lth re se a rc h

• E

xpla in why it is diffic ult to me a sure b e ha vio r

Adva nc e s in Me a sur ing Be ha vior F a ll 2011

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Our g oa ls a re to be a ble to...

• Co mpa re a nd c o ntra st ho w a va rie ty o f

b e ha vio rs a re me a sure d to da y a nd the pro s/ c o ns o f the mo st po pula r instrume nts use d in re se a rc h

• Critiq ue pa pe rs de sc rib ing ne w

instrume nts

Adva nc e s in Me a sur ing Be ha vior F a ll 2011

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Our g oa ls a re to be a ble to...

• De sc rib e ho w e me rg ing te c hno lo g ie s ma y

c ha ng e b e ha vio r me a sure me nt

• De sc rib e so me o f the ne w

syste ms/ so ftwa re a va ila b le to da y tha t c o uld b e use d to me a sure b e ha vio r

Adva nc e s in Me a sur ing Be ha vior F a ll 2011

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Our g oa ls a re to be a ble to...

• Use lo w-fide lity pro to typing to c o nstruc t

ide a s fo r ne w instrume nts tha t ma y use e me rg ing te c hno lo g ie s

• E

va lua te a pro to type imple me nta tio n o f a ne w instrume nt c re a te d b y us a nd a na lyze the re sults o f sma ll-sc a le fe a sib ility te sting

Adva nc e s in Me a sur ing Be ha vior F a ll 2011

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T hink c re a tive ly w/ ope n mind!

• Go o g le F

lu T re nds

– http:/ / www.g o o g le .o rg / flutre nds/ a b o ut/ ho w. html

• “I

nte llig e nt to ile t” http:/ / b it.ly/ o 74o Mi

Adva nc e s in Me a sur ing Be ha vior F a ll 2011

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L

• oking for ne w “bioma rke rs”
• Be tte r me a sure me nt c a n tra nsfo rm

me dic ine a nd a dva nc e sc ie ntific disc o ve ry

• I

n so me c a se s, b e ne fits o f me a sure me nt mig ht no t b e fully a ppa re nt

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Ke e p a n ope n mind

• British Me dic a l Jo urna l o n a ne w

me a sure me nt te c hno lo g y whe n first intro duc e d:

– By using it, “we pa upe rize o ur se nse s a nd we a ke n c linic a l a c uity”

Adva nc e s in Me a sur ing Be ha vior F a ll 2011

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Blood pre ssure

Hale determining blood pressure

• f a horse (1733)

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Blood pre ssure

Ludwig’s kymograph (1847)

Adva nc e s in Me a sur ing Be ha vior F a ll 2011

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Blood pre ssure

Vierordt’s sphygmograph (1854) Marey’s sphygmograph (1881)

Adva nc e s in Me a sur ing Be ha vior F a ll 2011

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Blood pre ssure

Von Bash’s sphygmograph (1881)

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Blood pre ssure

• Be ne fits: e a se of

a pplic a tion, fa st, pre c ise , ha rmle ss to pa tie nt

• Me tho d o n whic h

pre se nt-da y me tho d is b a se d

Riva Rocci method (1896)

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Blood pre ssure

Korotkoff method (1905) 207 word long paper!

• T

wo me a sure me nt

te c hniq ue s c o mb ine to fo rm a b e tte r o ne

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Ca sc a ding e ffe c t

Po pula rity o f BP mo nito ring le d to c ha ng e in ste tho sc o pe

Adva nc e s in Me a sur ing Be ha vior F a ll 2011

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(I n the fie ld!)

Mode rn e xa mple : me a suring physic a l a c tivity

Adva nc e s in Me a sur ing Be ha vior F a ll 2011

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Wha t’s the point?

Why is it impo rta nt to me a sure physic a l a c tivity?

Adva nc e s in Me a sur ing Be ha vior F a ll 2011

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1999

Obesity Trends* Among U.S. Adults BRFSS, 1990, 1999, 2008

(* BMI 30, or about 30 lbs. overweight for 5’4” person) 2008 1990 No Data <10% 10%–14% 15%–19% 20%–24% 25%–29% ≥30% Adva nc e s in Me a sur ing Be ha vior F a ll 2011

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Obe sity & ove rwe ig ht...

• Co ro na ry he a rt dise a se
• Hype rte nsio n
• T

ype 2 dia b e te s

• Stro ke
• Dyslipide mia
• Ga llb la dde r dise a se
• Oste o a rthritis
• Sle e p a pne a

Source: NHLBI , NI H Publication No. 98-4083, 1998

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Obe sity & ove rwe ig ht...

• Re spira to ry pro b le ms
• Se ve ra l c a nc e rs (e .g ., b re a st, c o lo n,

e ndo me tria l)

• De pre ssio n
• Urina ry inc o ntine nc e
• So c ia l iso la tio n
• Ga stro e so pha g e a l re flux
• Pre g na nc y risks
• Jo int a nd b a c k pro b le ms

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Surve ys

Adva nc e s in Me a sur ing Be ha vior F a ll 2011

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Wha t mig ht we me a sure ?

• Ac tivity inte nsity/ e ne rg y e xpe nditure
• Ac tivity type
• Musc le stre ng th
• Re la tive fitne ss
• Re c o ve ry time
• E

nviro nme nta l c o nte xt (e .g . pro ximity to pa rks)

Adva nc e s in Me a sur ing Be ha vior F a ll 2011

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Wha t should be c onside re d

• Va lidity
• Re lia b ility
• Disc rimina to ry po we r (me a sure c ha ng e
• ve r time )
• F
• r b ina ry te st (a c tivity type )

– Se nsitivity: pro po rtio n o f po sitive s ide ntifie d – Spe c ific ity: pro po rtio n o f ne g a tive s ide ntifie d

• Usa b ility
• Pra c tic a lity (e .g ., c o mple xity, time )
• Co st
• ?

Adva nc e s in Me a sur ing Be ha vior F a ll 2011

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Physic a l a c tivity a sse ssme nt

• De finitio ns

– E xe rc ise – Physic a l a c tivity – Se de nta ry b e ha vio r (L

a c k o f physic a l a c tivity / = se de nta ry b e ha vio r)

– Mo de ra te inte nsity (MOD) – Vig o ro us inte nsity – Mo de ra te o r vig o ro us a c tivity (MOD+) – F itne ss (a g e de pe nde nt) – Re sting he a rt ra te – Ma xima l he a rt ra te – E ne rg y e xpe nditure

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Option: dire c t obse rva tion

• Re se a rc he r(s) (pa insta king ly) o b se rve

pe o ple in la b o r fie ld se tting s a nd c o de a c tivity

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Option: dire c t obse rva tion

• Pro s:

– De ta ile d – Co nte xtua l info rma tio n re c o rding

• Co ns:

– T e dio us – E xpe nsive – Re q uire s spe c ia lize d tra ining – Re q uire s c usto m c o ding – I nva sive

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Option: dire c t obse rva tion

• E

xa mple : SOF I T

– Sc ho o ls – 18 pa g e ma nua l – Pa pe r b a se d

• Va ria tio n

– Ob se rve rs use pho ne s/ ta b le ts with so ftwa re

• ptimize d fo r the da ta e ntry ta sk

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Option: “simple ” re c a ll surve y

• Pa rtic ipa nt fills o ut surve y a b o ut physic a l

a c tivity b e ha vio r

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Option: “simple ” re c a ll surve y

• Pro s:

– I ne xpe nsive – Wide ly use d (a ltho ug h ma ny va ria nts)

• Co ns:

– Se rio us c o nc e rns a b o ut va lidity fo r lo ng pe rio ds o f time – Ho w to a sk a b o ut time / inte nsity in a wa y pe o ple unde rsta nd? – Do the surve ys sho w sub tle c ha ng e s?

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Option: “simple ” re c a ll surve y

• Pro s:

– I ne xpe nsive – Wide ly use d (a ltho ug h ma ny va ria nts)

• Co ns:

– Se rio us c o nc e rns a b o ut va lidity fo r lo ng pe rio ds o f time – Ho w to a sk a b o ut time / inte nsity in a wa y pe o ple unde rsta nd? – Do the surve ys sho w sub tle c ha ng e s?

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Option: “simple ” re c a ll surve y

• E

xa mple s:

– PAR-Q – Cha mps – Pa ffe nb a rg e r – CARDI A se de nta ry – Sta nfo rd Brie f Ac tivity Surve y

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Wha t’d you think?

• Wha t type o f info rma tio n wa s e a sy to

e nte r?

• Wha t fe lt mo st diffic ult?
• Wha t time fra me fe lt mo st ma na g e a b le ?

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Option: a ssiste d re c a ll surve y

• T

ra ine d re se a rc he r g uide s sub je c t thro ug h a se rie s o f q ue stio ns, pro b ing whe re ne c e ssa ry

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Option: a ssiste d re c a ll surve y

• Pro s:

– De ta ile d, fe w g a ps – T iming o f munda ne b e ha vio r is ve ry diffic ult to re c a ll – I nte nsity is diffic ult to e stima te

• Co ns:

– E xpe nsive – T ime c o nsuming – Re q uire s spe c ia lize d tra ining – Re q uire s c usto m c o ding

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Option: a ssiste d re c a ll surve y

• E

xa mple :

– Glo b a l Physic a l Ac tivity Surve y (GPAQ)

Adva nc e s in Me a sur ing Be ha vior F a ll 2011

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Option: physic a l a c tivity dia ry

• Sub je c t inc re me nta lly re c o rds the ir

physic a l a c tivity in a dia ry a t va rio us time s thro ug ho ut the da y fo r so me numb e r o f da ys

Adva nc e s in Me a sur ing Be ha vior F a ll 2011

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Option: physic a l a c tivity dia ry

• Pro s:

– Ma y b e de ta ile d with fe w g a ps

• Co ns:

– Studie s sug g e st tha t dia rie s a re pro b le ma tic (b a c kda ting / pre da ting ) – I n pra c tic e dia rie s will b e missing la rg e a mo unts o f time – Burde nso me , e spe c ia lly whe n a c tivity q uic kly c ha ng ing

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Option: E MA & e le c tronic dia rie s

• E

le c tro nic e c o lo g ic a l mo me nta ry a sse ssme nt (E MA)

• Mo b ile de vic e (PDA/ pho ne ) pro mpts fo r

info rma tio n a b o ut a windo w o f time

Adva nc e s in Me a sur ing Be ha vior F a ll 2011

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Option: E MA & e le c tronic dia rie s

• Pro s:

– Ma y b e de ta ile d with fe w g a ps – F a st fo r sub je c t; no da ta c o ding re q uire d – Auto ma tic time sta mping (pre ve nts b a c kda ting ) – Auto ma tic b ra nc hing / skip se rie s

• Co ns:

– I nte rruptio n b urde n – Co st o f te c hno lo g y

Adva nc e s in Me a sur ing Be ha vior F a ll 2011

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Option: E MA & e le c tronic dia rie s

• E

xa mple :

– PA surve y fro m CI T Y – PA “surve y” fro m Ste pL ive ly

Adva nc e s in Me a sur ing Be ha vior F a ll 2011

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Option: “Obje c tive ” me a sure s

• Me a sure e ithe r he a rt ra te o r mo ve me nt o f

the b o dy using minia ture e le c tro nic mo nito rs

Adva nc e s in Me a sur ing Be ha vior F a ll 2011

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Option:“Obje c tive ” me a sure s:HR

• Me a sure he a rt ra te using a n a mb ula to ry

mo nito r; c hunk a c tivity b y time / inte nsity le ve l

Adva nc e s in Me a sur ing Be ha vior F a ll 2011

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Option:“Obje c tive ” me a sure s:HR

• Pro s:

– HR ma ps we ll o nto e ne rg y e xpe nditure mo st

• f the time
• Co ns

– All c urre nt o ptio ns a re unc o mfo rta b le to we a r fo r e xte nde d pe rio ds o f time (i.e . multiple da ys); re q uire skin c o nta c t with mo iste ne r – Psyc ho lo g ic a l influe nc e o n HR – No isy in fie ld se tting s – HR re q uire s c a lib ra tio n to the individua l’ s fitne ss le ve l – Pro vide s o nly inte nsity info rma tio n

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Option:“Obje c tive ” me a sure s:HR

• E

xa mple : Po la r c he st b a nd, Ze phyr b a nd

• F

uture : e mb e dding in c lo thing :

Adva nc e s in Me a sur ing Be ha vior F a ll 2011

No rthe a ste rn Unive rsity 74

Option: “Obj.” me a sure s: motion

• Me a sure limb / b o dy mo tio n using

a c c e le ro me te rs (whic h se nse c ha ng e in ve lo c ity) a nd summa rize into “a c tivity c o unts”

Adva nc e s in Me a sur ing Be ha vior F a ll 2011

No rthe a ste rn Unive rsity 75

Option: “Obj.” me a sure s: motion

• Pro s:

– I nc re a sing ly a “g o ld sta nda rd” o f me a sure me nt – E xpe rts te nd to trust mo re tha n re c a ll surve ys

• Co ns

– Disc re pa nc ie s in ho w pro prie ta ry de vic e s c o mpute “c o unts” – Miss o r o ve r-c o unt so me a c tivitie s – Co stly re la tive to pa pe r – Sub je c t e rro r c o mplic a te s sta tistic a l a na lysis

Adva nc e s in Me a sur ing Be ha vior F a ll 2011

No rthe a ste rn Unive rsity 76

Option: “Obj.” me a sure s: motion

• E

xa mple : Ac tig ra ph mo nito r

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No rthe a ste rn Unive rsity 77

Option: “Obj.” me a sure s: motion

Adva nc e s in Me a sur ing Be ha vior F a ll 2011

No rthe a ste rn Unive rsity 78

Option: “Obj.” me a sure s: motion

MyWa lk (Vide o )

(Co nd uc ting pilo t stud y lo o king a t e ng a g e me nt in re spo nse to po sitive / ne g a tive me ssa g e s)

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No rthe a ste rn Unive rsity 79

Option: “Obj.” me a sure s: type

• Me a sure a c tivity type & inte nsity using

a dva nc e se nso rs a nd sig na l pro c e ssing

Adva nc e s in Me a sur ing Be ha vior F a ll 2011

No rthe a ste rn Unive rsity 80

Option: “Obj.” me a sure s: type

• Pro s:

– De ta il a b o ut a c tivity type (re q uire d fo r inte rve ntio n? ) – K no wle dg e o f type ma y impro ve inte nsity (E E ) e stima te

• Co ns

– Ac tive ly sub je c t o f re se a rc h ... Ne e d mo re va lida tio n – Multiple se nso rs le a d to b e st pe rfo rma nc e – Co st – We a ra b ility

Adva nc e s in Me a sur ing Be ha vior F a ll 2011

No rthe a ste rn Unive rsity 81

Popula tion- sc a le PA de te c tion

24/ 7 Real-time PA detection and context-sensitive self report with sensors (GPS, phone) Data sent to server for analysis & remote administration Years

I deas to make flexible & personally valuable & engaging

Participant has flexibility in how to wear/ use sensors App Store New surveys/ interventions remotely loaded & administered; remote software updates w/ new capabilities

Real-time feedback to encourage compliance

Adva nc e s in Me a sur ing Be ha vior F a ll 2011

No rthe a ste rn Unive rsity 82

Re a l- time a c tivity type

Adva nc e s in Me a sur ing Be ha vior F a ll 2011

No rthe a ste rn Unive rsity 83

Re a l- time a c tivity type

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No rthe a ste rn Unive rsity 84

Woc ke t “kit” (+ phone )

Charge 2 Wear 2 for 24h Upper + lower body motion

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No rthe a ste rn Unive rsity 85

T hin for c ontinuous we a ra bility

Actigraph Wocket

Adva nc e s in Me a sur ing Be ha vior F a ll 2011

No rthe a ste rn Unive rsity 86 Production & sizing WRIST AND ANKLE BAND DESIGN POCKET BAG DESIGN

Usa bility c ritic a l

Adva nc e s in Me a sur ing Be ha vior F a ll 2011

No rthe a ste rn Unive rsity 87

Ac

Adva nc e s in Me a sur ing Be ha vior F a ll 2011

No rthe a ste rn Unive rsity 88

Continuous da ta c olle c tion

• 2 se nso rs we a ring , 2 c ha rg ing
• Summa ry da ta se nt ho urly to se rve r
• Plug pho ne nig htly (uplo a ds ra w da ta )
• Wo c ke ts la st 42+ ho urs, pho ne wa king da y
• Pho ne de te c ts da ta q ua lity & missing ne ss

in re a l time a nd pro vide s fe e db a c k to e nc o ura g e study c o mplia nc e

Adva nc e s in Me a sur ing Be ha vior F a ll 2011

No rthe a ste rn Unive rsity 89

Robustne ss

No te : Ac tivitie s ma nua lly la b e le d ... Wo rking o n re a l-time de te c tio n o f so me a c tivity type s a nd c o nte xt (po sture , a mb ula tio n, struc ture e xe rc ise , e tc .)

Adva nc e s in Me a sur ing Be ha vior F a ll 2011

No rthe a ste rn Unive rsity 90

Robustne ss

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No rthe a ste rn Unive rsity 91

Robustne ss

Adva nc e s in Me a sur ing Be ha vior F a ll 2011

No rthe a ste rn Unive rsity 92

Robustne ss

Adva nc e s in Me a sur ing Be ha vior F a ll 2011

No rthe a ste rn Unive rsity 93

Robustne ss

Adva nc e s in Me a sur ing Be ha vior F a ll 2011

No rthe a ste rn Unive rsity 94

Robustne ss

Adva nc e s in Me a sur ing Be ha vior F a ll 2011

No rthe a ste rn Unive rsity 95

Robustne ss

Adva nc e s in Me a sur ing Be ha vior F a ll 2011

No rthe a ste rn Unive rsity 96

How will the c ourse work?

• T
• ur o f b e ha vio r me a sure me nt
• F
• c us o n unde rsta nding ho w b e ha vio r is

me a sure d to da y a nd ho w it mig ht b e me a sure d in the future

• Ge t so me e xpe rie nc ing de plo ying a

surve y o n mo b ile te c hno lo g y

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No rthe a ste rn Unive rsity 97

Sc he dule

Adva nc e s in Me a sur ing Be ha vior F a ll 2011

No rthe a ste rn Unive rsity 98

Struc ture

• Re a ding s b a la nc e d b e twe e n e xisting

me tho ds (re c o mme nde d b y e xpe rts) a nd e me rg ing o r future me tho ds (ide ntifie d b y us)

• Sylla b us (e vo lving with yo ur input) o nline :

– http:/ / b it.ly/ nu-b e ha vio r – Slide s po ste d 1 da y a fte r c la ss

Adva nc e s in Me a sur ing Be ha vior F a ll 2011

No rthe a ste rn Unive rsity 99

Writing a ssig nme nts

• Co mpa re a nd c o ntra st 1
• Co mpa re a nd c o ntra st 2
• Critiq ue o f a me a sure me nt te c hno lo g y
• Pa pe r o n me a suring a b e ha vio r o f inte re st

using se lf-re po rt o n the pho ne (with tho ro ug h lite ra ture re vie w a nd re vie w o f e me rg ing te c hno lo g y fo r tha t pa rtic ula r b e ha vio r)

Adva nc e s in Me a sur ing Be ha vior F a ll 2011

No rthe a ste rn Unive rsity 100

Proje c t

• Use a n o pe n so urc e to o l (Ope n Da ta K

it) to c o lle c t da ta using mo b ile pho ne s

• We ’ ll le a rn a b o ut it to g e the r a nd te st with

e a c h o the r

• Pro je c t c a n b e ma de mo re c o mple x if

yo u like a nd ha ve a te c hnic a l b a c kg ro und

Adva nc e s in Me a sur ing Be ha vior F a ll 2011

No rthe a ste rn Unive rsity 101

Pre se nta tions

• E

ve ryo ne pre se nts se ve ra l time s

– Re vie w mo st inte re sting po ints o f re a ding – Pe c ha kuc ha fo rma t (20 slide s, 20s e a c h)

• Re q uire s pra c tic e
• Re q uire s distilling o ut impo rta nt po ints

– F

• r a rtic le s tha t use o b ta ina b le

surve ys/ syste ms, do a sho w a nd te ll – L e a d disc ussio n o n pa pe r, e mpha sizing c o nne c tio ns with o the r re a ding s

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No rthe a ste rn Unive rsity 102

Be ha vior a re a s liste d on boa rd

• Ca lo rie s (use d/ e xpe nde d)
• Nutritio na l inta ke
• I

nte nse (a nd no n-inte nse ) physic a l a c tivity

• Gluc o se le ve l
• Stre ss
• Wa te r q ua lity
• Smo king
• Hyg ie ne

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No rthe a ste rn Unive rsity 103

Be ha vior a re a s liste d on boa rd

• Pa in
• E

xpo sure to diffe re nt te mpe ra ture s

• Drinking
• T

V

• Guns
• Ab no rma l e ve ryda y a c tivity
• Spe e ding
• Se xua l b e ha vio r

Adva nc e s in Me a sur ing Be ha vior F a ll 2011

No rthe a ste rn Unive rsity 104

Be ha vior a re a s liste d on boa rd

• Co nta c t with o the r pe o ple
• E

xpo sure to po llutio n

• Re spira tio n
• E

xpo sure to pa rtic le s

• E

xpo sure to sun

• BP
• HR

Adva nc e s in Me a sur ing Be ha vior F a ll 2011

No rthe a ste rn Unive rsity 105

Be ha vior a re a s liste d on boa rd

• So c ia liza tio n – Do ing thing s, ta lking with

pe o ple

• Me dic a tio n a dhe re nc e
• Sle e p (time , c yc le s)
• T

ra ffic

• Va c c ina tio ns
• T

e xting while driving

• Se a tb e lt we a ring

Adva nc e s in Me a sur ing Be ha vior F a ll 2011

No rthe a ste rn Unive rsity 106

Be ha vior a re a s liste d on boa rd

• Skin c o nduc ta nc e
• Cho le ste ro l
• Me dic a tio n a dhe re nc e
• Be ve ra g e c o nsumptio n
• Drug use
• Gun use / e xpo sure