Using covariance structure analysis to detect correlates and predictors of individual change over time.
JB Willett, AG Sayer - Psychological bulletin, 1994 - psycnet.apa.org
… Finally, substituting the estimated variances of measurement error and true slope into
Equation 29 of Willett (1989), we find that the rate of true change in log tolerance has been …
Equation 29 of Willett (1989), we find that the rate of true change in log tolerance has been …
The design and analysis of longitudinal studies of development and psychopathology in context: Statistical models and methodological recommendations
JB Willett, JD Singer, NC Martin - Development and psychopathology, 1998 - cambridge.org
… Third, we recommend that known variously as survival analysis (Singer & Willett, 1991,
1993; Willett & Singer, 1993, when specifying statistical models, researchers should consider a …
1993; Willett & Singer, 1993, when specifying statistical models, researchers should consider a …
Modeling the days of our lives: using survival analysis when designing and analyzing longitudinal studies of duration and the timing of events.
JD Singer, JB Willett - psychological Bulletin, 1991 - psycnet.apa.org
… Students leave school by graduating or by dropping out (Willett & Singer, in press).
Patients completing psychotherapy can stay well, have a relapse, or have a new episode (Gallagher-…
Patients completing psychotherapy can stay well, have a relapse, or have a new episode (Gallagher-…
[BOOK][B] Applied longitudinal data analysis: Modeling change and event occurrence
JD Singer, JB Willett - 2003 - books.google.com
Change is constant in everyday life. Infants crawl and then walk, children learn to read and
write, teenagers mature in myriad ways, the elderly become frail and forgetful. Beyond these …
write, teenagers mature in myriad ways, the elderly become frail and forgetful. Beyond these …
The growing importance of cognitive skills in wage determination
Using data from two longitudinal surveys of American high school seniors, we show that
basic cognitive skills had a larger impact on wages for 24-year-old men and women in 1986 …
basic cognitive skills had a larger impact on wages for 24-year-old men and women in 1986 …
[BOOK][B] Methods matter: Improving causal inference in educational and social science research
RJ Murnane, JB Willett - 2010 - books.google.com
Educational policy-makers around the world constantly make decisions about how to use
scarce resources to improve the education of children. Unfortunately, their decisions are rarely …
scarce resources to improve the education of children. Unfortunately, their decisions are rarely …
It's about time: Using discrete-time survival analysis to study duration and the timing of events
JD Singer, JB Willett - Journal of educational statistics, 1993 - journals.sagepub.com
Educational researchers frequently ask whether and, if so, when events occur. Until relatively
recently, however, sound statistical methods for answering such questions have not been …
recently, however, sound statistical methods for answering such questions have not been …
Understanding correlates of change by modeling individual differences in growth
DR Rogosa, JB Willett - Psychometrika, 1985 - Springer
The study of correlates of change is the investigation of systematic individual differences in
growth. Our representation of systematic individual differences in growth is built up in two …
growth. Our representation of systematic individual differences in growth is built up in two …
Chapter 9: Questions and answers in the measurement of change
JB Willett - Review of research in education, 1988 - journals.sagepub.com
In some ways,[measuring individual change over time] is the most important topic in educational
measurement. The primary object of teaching is to produce learning (that is, change), …
measurement. The primary object of teaching is to produce learning (that is, change), …