Revisiting an Analysis of Threats to Internal Validity in Multiple Baseline Designs. [PDF]
Perspect Behav Sci, 2022 Slocum TA +3 more
europepmc +1 more source
Internal Validity in Resistance Training Research: A Systematic Review. [PDF]
J Sports Sci Med, 2022 Makaruk H +3 more
europepmc +1 more source
Experiments in the Social Sciences: The relationship between External and Internal Validity [PDF]
, 2009 The article identifies a latent debate in the recent literature on the role and worth of experiments in economics and other social sciences concerning the relationship between the external and the internal validity of experimental designs.
Jimenez-Buedo, Maria, Miller, Luis M.
core
Longitudinal Internal Validity of the Quality of Life after Brain Injury: Response Shift and Responsiveness. [PDF]
J Clin Med, 2023 Zeldovich M +6 more
europepmc +1 more source
The Signaling Role of Promotions: Further Theory and Empirical Evidence [PDF]
, 2006 [Excerpt] An extensive theoretical literature has developed that investigates the role of promotions as a signal of worker ability. There have been no tests, however, of the empirical validity of this idea. In this paper we develop the theory in a manner
Jed Devaro +3 more
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, 2016 Student learning in instructional physics labs represents a growing area of research that includes investigations of students' beliefs and expectations about the nature of experimental physics.
Lewandowski, H. J., Wilcox, Bethany R.
core +2 more sources
Threats to Internal Validity in Multiple-Baseline Design Variations. [PDF]
Perspect Behav Sci, 2022 Slocum TA +3 more
europepmc +1 more source
Measuring Use of Resourcefulness Skills: Psychometric Testing of a New Scale [PDF]
, 2011 Highly resourceful individuals have been found better able to meet life\u27s challenges and to experience more positive health outcomes. Although psychometrically sound measures of resourcefulness exist and resourcefulness training trials show that the ...
Bekhet, Abir K.
core +1 more source
Fermi gas in harmonic oscillator potentials
, 2000 Assuming the validity of grand canonical statistics, we study the properties of a spin-polarized Fermi gas in harmonic traps. Universal forms of Fermi temperature $T_F$, internal energy $U$ and the specific heat per particle of the trapped Fermi gas are ...
Huang K +4 more
core +1 more source
Correction to: Dental vulnerability scale in primary health care: evidence of content and structure internal validity. [PDF]
BMC Oral Health, 2021 da Costa Palacio D +13 more
europepmc +1 more source