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Rank-Based Test Procedures For Interaction In The Two-Way Layout With One Observation Per Cell, Brad Hartlaub
Rank-Based Test Procedures For Interaction In The Two-Way Layout With One Observation Per Cell, Brad Hartlaub
Brad Hartlaub
ABSTRACT New aligned-rank test procedures for the composite null hypothesis of no interaction effects (without placing restrictions on the two main e#ects) against appropriate composite general alternatives are developed for the standard two-way layout with a single observation per cell. Relative power performances of the two new aligned-rank procedures and existing tests due to Tukey (1949) and de Kroon & van der Laan (1981) are examined via Monte Carlo simulation. Extensive power studies conducted on the 56and59two-way layouts with one observation per cell show superior performance of the new procedures for a variety of interaction e#ects. Simulated critical values for …
Dielectric Function And Bowing Parameter Of Zn_{1-X}Mg_Xse And Zn_{1-X}Be_Xse Alloys, Frank Peiris, Et Al.
Dielectric Function And Bowing Parameter Of Zn_{1-X}Mg_Xse And Zn_{1-X}Be_Xse Alloys, Frank Peiris, Et Al.
Frank Peiris
We report pseudodielectric function data < > = < 1 > + i < 2 > of Zn1−xMg x Se and Zn1−xBexSe samples grown on GaAs substrates. Critical point parameters were obtained by fitting model lineshapes to numerically calculated second energy derivatives of < >, from which the bowing parameters and spin-orbit-splitting ∆1 of the E1 and the E1 + ∆1 gaps were obtained. We discuss the bowing parameters and spin-orbit-splitting ∆1 of the E1 and the E1 + ∆1 gaps.