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In a cohort study with smoking as the exposure, smokers dropping out due to illness introduces

Dr. Lewis used the training of cadaver sniffing dogs in lecture as an example of

In a programmed learning text, the earliest quizzes contain many explicit hints which guarantee making a correct response, while later quizzes contain fewer and fewer hints. This is an example of ____________ procedures.

A “long box” is a very long operant box in which a pigeon

A screening program would be most appropriate when

A screening program for lung cancer that detects tumors earlier than usual but does not improve mortality is likely suffering from

Which strategy is NOT a way to control confounding in the design phase?

During a discrimination training procedure a pigeon was given a 320 dB tone as the SΔ and a 350 dB done was the SD.  The bird was then tested for generalization.  The generalization curve showed that the strongest response was made to a 360 dB tone.  This result is a demonstration of

Consider the following output from a multiple logistic regression of obesity (1 = yes, 0 = no) on sex, hours of screen time per day, and fruit/vegetable intake (servings/day). Term Coefficient Standard error p-value Sex (0 = male, 1 = female) 0.21 0.12 0.18 Screen time (hrs/day) 0.25 0.08 0.002 Fruit/vegetable intake (servings/day) -0.15 0.05 0.004 Intercept -2.0 0.8 0.01

Kendra learns to not stay out past curfew because she saw her older sister punished for staying out past curfew.  This is called