Joseph W. Gibson

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OBJECTIVE The Edinburgh Postnatal Depression Scale (EPDS) is the most widely used screening tool for postpartum depression (PPD). We systematically reviewed the published evidence on its validity in detecting PPD and antepartum depression (APD) up to July 2008. METHOD Systematic review of validation studies of the EPDS included 1987-2008. Cut-off points(More)
Logicon RDA has developed the Corps Battle Simulation After Action Review System (CBS AARS) to support the Battle Command Training Program (BCTP) requirement for training based on CBS-supported command post exercises (CPX). The CBS AARS is fielded and in use worldwide, and consists of the following subsystems: data collection, archive data storage, system(More)
Major depressive disorder (MDD) is known for its substantial clinical and suspected causal heterogeneity. It is characterized by low mood, psychomotor slowing and increased levels of the personality trait neuroticism; factors also associated with schizophrenia (SCZ). It is possible that some cases of MDD may have a substantial genetic loading for SCZ. The(More)
Smartphones have become commonplace in today's society. There seems to be a mobile application for every conceivable use, expect one. Smartphones have been conspicuously absent in higher education. This research examines the use of mobile applications (apps) in the higher education setting. In addition, it evaluates the potential for including smartphone(More)
Let N represent the positive integers. Let n ∈ N and Γ ⊆ N. Set Γ n = {x ∈ N : ∃y ∈ Γ, x ≡ y (mod n)} ∪ {1}. If Γ n is closed under multiplication , it is known as a congruence monoid or CM. A classical result of James and Niven [15] is that for each n, exactly one CM admits unique factorization into products of irreducibles, namely Γ n = {x ∈ N : gcd(x, n)(More)
Let n ∈ N, Γ ⊆ N and define Γn = {x ∈ Zn | x ∈ Γ} the set of residues of elements of Γ modulo n. If Γn is multiplicatively closed we may define the following submonoid of the naturals: HΓ n = {x ∈ N | x = γ, γ ∈ Γn}∪{1} known as a congruence monoid (CM). Unlike the naturals, many CMs enjoy the property of non-unique factorization into irreducibles. This(More)
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