Over the past three decades, interest in cheap yet competitive variance estimators in nonparametric regression has grown tremendously. One family of estimators which has risen to meet the task is the difference-based estimators. Unlike their residual-based counterparts, difference-based estimators do not require estimating the mean function and are therefore popular in practice. This work furth...

Bilinguals’ need to monitor and inhibit non-relevant languages over a relevant one confers advantage in cognitive control. No studies have demonstrated that the dual-language control process directly contributes to the bilingual cognitive advantage. We utilized a novel language control manipulation paradigm where 83 English-Chinese bilingual adults completed a reading and comprehension task in ...

We present the first case of a de novo translocation resulting in dup(3p). Giemsa banding studies tentatively identified the source of the extra genetic material as 3p. Clinical findings were compatible with those previously reported in dup(3p) patients, further defining this cytogenetic anomaly as a distinct, clinically identifiable syndrome.

X he single most important factor in determining a nation's standard of living in the long run is the productivity of its resources (primarily labor and capital). If maintained over time, even relatively small productivity growth rates can have large effects on living standards. For example, if productivity grew at a moderate 2.0 percent each year, the overall standard of living would double in...

Background

The testing of the null hypothesis of no treatment effect against the alternative of increasing treatment effect by means of rank statistics is extended from the classical Friedman random blocks model into an unbalanced design allowing treatments not to be applied simultaneously in each random block. The asymptotic normality of the constructed rank test statistic is proved both in the setting n...

The asymptotic chi-square test for testing the Hardy–Weinberg law is unreliable in either small or unbalanced samples. As an alternative, either the unconditional or conditional exact test might be used. It is known that the unconditional exact test has greater power than the conditional exact test in small samples. In this article, we show that the conditional exact test is more powerful than ...

Let G[X,Y ] be a 2-connected bipartite graph with |X| ≥ |Y |. For S ⊆ V (G), we define δ(S;G) := min{dG(v) : v ∈ S}. We define σ1,1(G) := min{dG(x) + dG(y) : x ∈ X, y ∈ Y, xy / ∈ E(G)} and σ2(X) := min{dG(x) + dG(y) : x, y ∈ X,x 6= y}. We denote by c(G) the length of a longest cycle in G. Jackson [J. Combin. Theory Ser. B 38 (1985), 118–131] proved that c(G) ≥ min{2δ(X;G) + 2δ(Y ;G)− 2, 4δ(X;G)...