It's like
watching a group of people work
together to unpack a stuffed closet: some want to put the damaged items right back in their boxes, some want to
wave them like bloody shirts, some want to pause and see what they're actually looking at.
As Tulaczyk
watched the Herc on Jan. 17, 2013, the lake remained a mere silhouette pieced
together from noisy geophysical measurements involving radar, lasers shot down from satellites and the seismic echoes of shock
waves released by explosives detonated in shallow holes in the ice.
The analyses also included age, race / ethnicity (three binary variables for Black, Hispanic and other ethnicity, coded with Whites as the reference group), gender, household income and parental education, media - viewing habits — hours
watching television on a school day and how often the participant viewed movies
together with his / her parents — and receptivity to alcohol marketing (based on whether or not the adolescent owned alcohol - branded merchandise at
waves 2 — 4).31 Family predictors included perceived inhome availability of alcohol, subject - reported parental alcohol use (assessed at the 16 M survey and assumed to be invariant) and perceptions of authoritative parenting (α = 0.80).32 Other covariates included school performance, extracurricular participation, number of friends who used alcohol, weekly spending money, sensation seeking (4 -
wave Cronbach's α range = 0.57 — 0.62) 33 and rebelliousness (0.71 — 0.76).34 All survey items are listed in table S1.