• Publications
  • Influence
Redefine statistical significance
We propose to change the default P-value threshold for statistical significance from 0.05 to 0.005 for claims of new discoveries.
  • 1,029
  • 99
  • PDF
Structural topic models for open ended survey responses
We present an alternative, semiautomated approach, the structural topic model (STM) (Roberts, Stewart, and Airoldi 2013; Roberts et al. 2013), that draws on recent developments in machine learning based analysis of textual data. Expand
  • 451
  • 56
  • PDF
Monoamine oxidase A gene (MAOA) predicts behavioral aggression following provocation
Monoamine oxidase A gene (MAOA) has earned the nickname “warrior gene” because it has been linked to aggression in observational and survey-based studies. However, no controlled experimental studiesExpand
  • 324
  • 9
  • PDF
The Political Economy of U.S. Foreign Aid: American Legislators and the Domestic Politics of Aid
Are there systematic political economy factors that shape preferences for foreign aid, a key component of American foreign policy? We analyze votes in the House of Representatives from 1979 to 2003Expand
  • 170
  • 9
  • PDF
Public Opinion and Foreign Aid: A Review Essay
The study of public opinion and foreign policy has a long history (Almond, 1950; Converse, 1964; Lippmann, 1955). This history includes a long-standing debate over the utility of studying publicExpand
  • 82
  • 5
Sailing the Water's Edge: The Domestic Politics of American Foreign Policy
The upcoming presidential election has no doubt contributed to this mood, as candidates and their advisors spar over the best direction for future American engagement with the world. Should theExpand
  • 66
  • 5
  • PDF
Who Supports Global Economic Engagement? The Sources of Preferences in American Foreign Economic Policy
In this article we bring together opposing international relations theories to better understand U.S. foreign policy, in particular foreign trade and aid. Using votes in the U.S. House ofExpand
  • 130
  • 4
  • PDF
Physiological Arousal and Political Beliefs
It is by now well known that political attitudes can be affected by emotions. Most earlier studies have focused on emotions generated by some political event (e.g., terrorism or increasedExpand
  • 43
  • 3
  • PDF
Dissecting direct and indirect genetic effects on chronic obstructive pulmonary disease (COPD) susceptibility
Cigarette smoking is the major environmental risk factor for chronic obstructive pulmonary disease (COPD). Genome-wide association studies have provided compelling associations for three loci withExpand
  • 65
  • 2
  • PDF