Quantities or Qualities? A Forgotten Debate about Sounds between Ptolemy and Porphyry

The Quantities and Qualities of Poll Workers

Successful election administration depends on an army of poll workers who are responsible for front line interaction with voters at the polling place. Despite their important role in elections, we know surprisingly little about how recruitment and training of poll workers translates into performance. We review research on poll workers and present descriptive information about poll worker charac...

Visualization of perceptual qualities in Textural sounds

Qualities and Effective-quantities of Slaves in New Orleans

A hedonic price index and a quality-adjusted quantity index are constructed in order to provide a clearer picture of how slave quality evolved. Controlling for slave quality, slave prices did not rise as much as previously thought. This is due to an increase in slave quality, especially during the earlier 1800s. Properly accounting for the effect of the 1808 prohibition of slave importation, th...

Catatonia: extinct, lost, or forgotten?

Catatonia is a neuropsychiatric syndrome that occurs in some primary psychiatric disorders (e.g., schizophrenia, mood disorders), or due to general medical conditions (e.g., neurological disorders, drug poisoning, metabolic disorders) (1). Although it is uncommon, but if it goes unrecognized in medical and surgical units (2), it can increase morbidity and mortality. Moreover, making a connectio...

an investigation about the relationship between insurance lines and economic growth; the case study of iran

مطالعات قبلی بازار بیمه را به صورت کلی در نظر می گرفتند اما در این مطالعه صنعت بیمه به عنوان متغیر مستفل به بیمه های زندگی و غیر زندگی شکسته شده و هم چنین بیمه های زندگی به رشته های مختلف بیمه ای که در بازار بیمه ایران سهم قابل توجهی دارند تقسیم میشود. با استفاده از روشهای اقتصاد سنجی داده های برای دوره های 48-89 از مراکز ملی داده جمع آوری شد سپس با تخمین مدل خود بازگشتی برداری همراه با تعدادی ...