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Exaptation in human evolution:how to test adaptive vs exaptive evolutionary hypotheses
Exaptation Pre-adaptation Spandrels Adaptationism Extended taxonomy of fitness Operationality
2016/1/26
Palaeontologists, Stephen J. Gould and Elisabeth Vrba, introduced the term “ex-aptation” with the aim of improving and enlarging the scientific language available to researchers studying the evolution...
AN EMPIRICAL TEST OF RESPONDENT-DRIVEN SAMPLING: POINT ESTIMATES, VARIANCE, DEGREE MEASURES, AND OUT-OF-EQUILIBRIUM DATA
population RESPONDENT-DRIVEN SAMPLING
2015/9/11
This paper, which is the first large scale application of Respondent-Driven
Sampling (RDS) to non-hidden populations, tests three factors related to RDS estimation
against institutional data using...
HIV/AIDS-related stigma and HIV test uptake in Ghana: evidence from the 2008 Demographic and Health Survey
HIV/AIDS Stigma HIV test uptake
2015/7/27
The study examined the association between HIV test uptake and socioeconomic characteristics of individuals, including HIV-related stigma behaviours. The study also investigated the socioeconomic dete...
PRESCHOOL TELEVISION VIEWING AND ADOLESCENT TEST SCORES: HISTORICAL EVIDENCE FROM THE COLEMAN STUDY
PRESCHOOL TELEVISION VIEWING ADOLESCENT TEST
2015/7/17
We use heterogeneity in the timing of television’s introduction to different local
markets to identify the effect of preschool television exposure on standardized
test scores during adolescence. Our...
The effect of education on second births in Hungary: A test of the time-squeeze, self-selection and partner-effect hypotheses
education fertility Hungary partner effect second births
2014/11/24
Background: In recent years, several studies have reported a positive effect of women’s education on the transition to second births. This finding contradicts the economic theory of fertility. Three e...
An Experimental Test of a Committee Search Model
experiments committee search plurality voting rules
2012/10/22
The objective of this paper is to design a laboratory experiment for an infinite-horizon sequential committee search model in order to test some of the implications obtained by the model in Albrecht, ...
Multi-Informant Test Anxiety Assessment of Adolescents
Test Anxiety Multi-Informant Assessment Test Anxiety Assessment Adolescents Junior High
2013/2/20
A total of 263 junior and senior high school students (grades 7, 8, 9, 10, 11, 12; ages 12 to 19) with relatively more informants identifying as females (57.4%) than males (42.6%) and more junior high...
The Effect of School Construction on Test Scores, School Enrollment, and Home Prices
school construction, test scores, home prices
2012/10/22
This paper provides new evidence on the effect of school construction projects on home prices, academic achievement, and public school enrollment. Taking advantage of the staggered implementation of a...
Non-cognitive Skills and the Gender Disparities in Test Scores and Teacher Assessments: Evidence from Primary School
gender differences test scores grades educational attainment
2012/10/23
We extend the analysis of early-emerging gender differences in academic achievement to include both (objective) test scores and (subjective) teacher assessments. Using data from the 1998-99 ECLS-K coh...
Cross-Assignment Discrimination in Pay: A Test Case of Major League Baseball
wage discrimination complementarity monopsony power
2012/10/23
The traditional Becker/Arrow style model of discrimination depicts majority and minority and workers as perfectly substitutable inputs, implying that all workers have the same job assignment. The mode...
A Flexible Test for Present Bias and Time Preferences Using Land-Lease Contracts
present bias hyperbolic discounting discount rate hedonic estimation
2012/10/26
When agents have present bias, they discount more between now and the next period than between period t (> 1) and t + 1. How fast the future discount rate (evaluated today) decays is an empirical ques...
Testing for IIA with the Hausman-McFadden Test
multinomial logit IIA assumption Hausman-McFadden test
2012/10/26
The Independence of Irrelevant Alternatives assumption inherent in multinomial logit models is most frequently tested with a Hausman-McFadden test. As is confirmed by many findings in the literature, ...
The Effect of Immigration on the School Performance of Natives: Cross Country Evidence Using PISA Test Scores
immigrants school performance natives
2012/11/1
We study whether a higher share of immigrant pupils affects the school performance of natives using aggregate multi-country data from PISA. We find evidence of a negative and statistically significant...
The Measurement of Social Competence in Children Using the Rorschach Inkblot Test: A Validation Study
Children’s Social Competence Peer Rejection Popular Children Rorschach Inkblot Test Peer Nomination
2013/2/23
The current study evaluated the validity of Rorschach variables in assessing interpersonal competence in children. Participants were three groups of 4th-5th- and 6th-grade children identified by a pee...
Changing the Price of Marriage: Evidence from Blood Test Requirements
Changing Price Marriage Evidence Blood Test Requirements
2016/3/8
We use state repeals of blood test requirements (BTRs) for a marriage license that occurred between 1980 and 2008 to examine the impact of changes in the price of marriage on the marriage decision. Us...