The “Who’s Yo Daddy?” Problem

Who’s Your Daddy?: a Comparison of Intergenerational Mobility of Socioeconomic Status for Sons and Daughters

CHALLENGING CASE: BEHAVIORAL CHANGES Erica: A Question of Sexual Abuse*

CASE Erica, 20 months old, is brought to the office of her pediatrician by her mother who is concerned about the possibility of sexual abuse. She describes her daughter’s behavior as unusual during the past 2 weeks. At first, she thought Erica was experiencing abdominal pain when she pointed to her abdomen. Gradually, it became apparent that she was pointing to her vagina with the utterance “oo...

Confronting the 'sugar daddy' stereotype: age and economic asymmetries and risky sexual behavior in urban Kenya.

CONTEXT "Sugar daddy" relationships, which are characterized by large age and economic asymmetries between partners, are believed to be a major factor in the spread of HIV in Sub-Saharan Africa. Information is needed about sugar daddy partnerships-and about age and economic asymmetries more generally-to determine how common they are and whether they are related to unsafe sexual behavior. METH...

Modelling and Control Strategy of Robotic Yo-yo

In the paper we address a problem of controlling an oscillating motion with a robot. As the object we have selected a yo-yo. Yo-yo is a toy made of two discs connected with a short thin axle, which can be moved up and down by moving a string tied to the axle. Although it is very easy to play with yo-yo for a human, designing a control system for a robot is quite a challenge. We present a simpli...

Preemption versus Entrenchment: Towards a Construction-General Solution to the Problem of the Retreat from Verb Argument Structure Overgeneralization

Participants aged 5;2-6;8, 9;2-10;6 and 18;1-22;2 (72 at each age) rated verb argument structure overgeneralization errors (e.g., *Daddy giggled the baby) using a five-point scale. The study was designed to investigate the feasibility of two proposed construction-general solutions to the question of how children retreat from, or avoid, such errors. No support was found for the prediction of the...