Buscar
Mostrando ítems 1-10 de 4061
A simulation study of threats to validity in quasi-experimental designs: Interrelationship between design, measurement, and analysis
(Frontiers Research Foundation, 2016)
Alternatives to Randomized Control Trials: A Review of Three Quasi-experimental Designs for Causal Inference
(Instituto de Investigaciones Psicológicas, Universidad de Costa Rica, 2015)
The stationary instability in quasi-reversible systems and the lorenz pendulum
(2001)
We study the resonance at zero frequency in presence of a neutral mode in quasi-reversible
systems. The asymptotic normal form is derived and it is shown that in the presence of a
reflection symmetry it is equivalent to ...
Evidence for several dipolar quasi-invariants in liquid crystals
(American Institute of Physics, 2013-10)
In a closed quantum system of N dipole coupled spins with magnetic quantum number I, there are (2I +1)N constants of motion, however, the possibility of observing such quasi-invariants (QIs) in solid-like spin systems in ...
Experimental studies 2nd part. Quasi-experimental studies [Estudios experimentales 2ª parte. Estudios cuasi-experimentales]
(Universidad de la Frontera, 2015)
Original Article Accuracy between Functional Swallowing and Knebelman Craniometric Method to Measure Occlusal Vertical Dimension in Total Denture Wearers: A Quasi-experimental Study
(Journal of International Society of Preventive and Community DentistryPE, 2021)
Objective: The objective was to determine the accuracy between functional
swallowing (FS) and the Knebelman craniometric method (KCM) to measure
occlusal vertical dimension (OVD) in total denture wearers. Materials and ...
On doing relevant and rigorous experiments: Review and recommendations.
(2018)
Although experiments are the gold standard for establishing causality, several threats can undermine the internal validity of experimental findings. In this article, we first discuss these threats, which include the lack ...