This paper studies quantity surcharge and heterogeneity in consumer attention, using scanner data in the peanut butter category. Quantity surcharge exists for packaged goods when a smaller package size is cheaper than its larger size counterpart per unit. Quantity surcharges are frequent in the data, and households have heterogeneous purchasing behavior during quantity surcharge weeks: attentiv...

This report is on a migration of a Steinman pin into the posterior com Department of the calf. It was used to fix a greater trochanteric osteotomy in a total hip arthroplasty. The puzzling note is how this metal piece passed through the anterolateral compartment of the thigh to the posterior compartment of the calf. Accord ing to our literature review, migration of fixation pins through the kne...

Objective: To use experience sampling method (ESM) to examine the impact of inattentive and hyperactive-impulsive ADHD symptoms on emotional well-being, activities and distress, cognitive impairment, and social functioning assessed in the daily lives of young adults. The impact of subjective appraisals on their experiences is also examined. Method: Participants (n = 206) complete up to 56 in-th...

OBJECTIVE To use experience sampling method (ESM) to examine the impact of inattentive and hyperactive-impulsive ADHD symptoms on emotional well-being, activities and distress, cognitive impairment, and social functioning assessed in the daily lives of young adults. The impact of subjective appraisals on their experiences is also examined. METHOD Participants (n = 206) complete up to 56 in-th...

OBJECTIVE The current study examined the impact of the gender of children with ADHD on teachers' perceptions toward inattentive, hyperactive, or oppositional behaviors, and how these perceptions relate to teachers' ratings of children's impairment and referral recommendations. METHOD Teachers read eight vignettes depicting boys and girls with different subtypes of ADHD, as well as one depicti...

In March, 1913, the parents of a nine year old lad brought him to the office of the University of Kansas for physical and psychological examination. To all external appearances the boy was normal. He was of average size, and was well built; his senses appeared to be normal; his motor control was good and he possessed a good stock of common sense. Yet he had made very little progress in school w...

The purpose of this project is to discuss the astronomical development from the heliocentric theory to the geocentric theory. The main goal is to eliminate the common misconception that the Copernican system simply entails a change in the frame of reference from the Ptolemaic system. In particular, we will show how the Copernican system allows us to determine the size of the Universe (in terms ...