Paul T. von Hippel

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Are “Failing” Schools Really Failing? Using Seasonal Comparison to Evaluate School Effectiveness

Melanie Hughes, Melanie M. Hughes, Douglas B. Downey, 2008 .

Mean, Median, and Skew: Correcting a Textbook Rule

P. V. von Hippel, Paul T. von Hippel, 2005 .

New Confidence Intervals and Bias Comparisons Show That Maximum Likelihood Can Beat Multiple Imputation in Small Samples

P. V. von Hippel, Paul T. von Hippel, 2016 .

An Education Gradient in Health, a Health Gradient in Education, or a Confounded Gradient in Both?

P. V. von Hippel, Paul T. von Hippel, J. Lynch, 2015, Social science & medicine.

The heterogeneity statistic I2 can be biased in small meta-analyses

P. V. von Hippel, Paul T. von Hippel, 2015, BMC Medical Research Methodology.

How Many Imputations Do You Need? A Two-stage Calculation Using a Quadratic Rule

Paul T. von Hippel, P. V. von Hippel, Paul T. von Hippel, 2016, Sociological methods & research.

The Bias and Efficiency of Incomplete-Data Estimators in Small Univariate Normal Samples

Paul T. von Hippel, 2013 .

Should a Normal Imputation Model be Modified to Impute Skewed Variables?

P. V. von Hippel, Paul T. von Hippel, 2013 .

From Kindergarten Through Second Grade, U.S. Children's Obesity Prevalence Grows Only During Summer Vacations

P. V. von Hippel, Paul T. von Hippel, Joseph Workman, 2016, Obesity.

Statin therapy for hyperlipidemia.

P. V. von Hippel, Paul T. von Hippel, 2013, JAMA.

Does Achievement Rise Fastest with School Choice, School Resources, or Family Resources? Chile from 2002 to 2013

P. V. von Hippel, Paul T. von Hippel, Á. Hofflinger, 2020, Sociology of education.

Inequality in Reading and Math Skills Forms Mainly before Kindergarten: A Replication, and Partial Correction, of “Are Schools the Great Equalizer?”

Douglas B. Downey, D. Downey, P. V. von Hippel, 2018, Sociology of education.

Why Have Test Scores and Segregation Risen in Chile? School Choice, School Resources, or Family Resources?

P. V. von Hippel, Paul T. von Hippel, Á. Hofflinger, 2017 .

Teacher Quality Differences Between Teacher Preparation Programs: How Big? How Reliable? Which Programs Are Different?

P. V. von Hippel, Laura Bellows, Paul T. von Hippel, 2014 .

Achievement, learning, and seasonal impact as measures of school effectiveness: it's better to be valid than reliable

P. V. von Hippel, Paul T. von Hippel, 2009 .

Are Schools the Great Equalizer? Cognitive Inequality during the Summer Months and the School Year

Beckett A. Broh, Douglas B. Downey, D. Downey, 2004 .

Robust Estimation of Inequality from Binned Incomes

S. Scarpino, P. V. von Hippel, Paul T. von Hippel, 2014, 1402.4061.

Findings on Summer Learning Loss Often Fail to Replicate, Even in Recent Data

Paul T. von Hippel, Joseph J. Merry, Joseph Workman, 2023, Sociological Science.

Biases in SPSS 12.0 Missing Value Analysis

Paul T. von Hippel, Paul T. von Hippel, 2004 .

TEACHER'S CORNER: How Many Imputations Are Needed? A Comment on Hershberger and Fisher (2003)

Paul T. von Hippel, Paul T. von Hippel, 2005 .

8. How to Impute Interactions, Squares, and other Transformed Variables

P. V. von Hippel, Paul T. von Hippel, 2009 .

The effects of school physical education grants on obesity, fitness, and academic achievement.

P. V. von Hippel, Paul T. von Hippel, W. K. Bradbury, 2015, Preventive medicine.

Obesity and the natural environment across US counties.

P. V. von Hippel, Paul T. von Hippel, Rebecca Benson, 2014, American journal of public health.

Extending the History of Child Obesity in the United States: The Fels Longitudinal Study, Birth Years 1930 to 1993

Ramzi W. Nahhas, R. Nahhas, P. V. von Hippel, 2013, Obesity.

4. Regression with Missing Ys: An Improved Strategy for Analyzing Multiply Imputed Data

P. V. von Hippel, Paul T. von Hippel, 2007 .

Why are educated adults slim-Causation or selection?

P. V. von Hippel, Paul T. von Hippel, J. Lynch, 2014, Social science & medicine.

Year-Round School Calendars: Effects on Summer Learning, Achievement, Parents, Teachers, and Property Values

Paul T. von Hippel, 2015 .

Is Kindergarten Ability Group Placement Biased? New Data, New Methods, New Answers

P. V. von Hippel, Paul T. von Hippel, Ana P. Canedo, 2021, American educational research journal.

Is Psychological Science Self-Correcting? Citations Before and After Successful and Failed Replications

P. V. von Hippel, Paul T. von Hippel, 2022, Perspectives on psychological science : a journal of the Association for Psychological Science.

The effect of school on overweight in childhood: gain in body mass index during the school year and during summer vacation.

Nicholas J. Rowland, Douglas B. Downey, Brian Powell, 2007, American journal of public health.

Socioeconomic, Ethnic, Racial, and Gender Gaps in Children’s Social/Behavioral Skills: Do They Grow Faster in School or out?

Douglas B. Downey, D. Downey, P. V. von Hippel, 2019, Sociological science.