Academic Research Documents

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Effect of Mobile Money on Money Demand in Kenya: Time Series Regression Analysis

The unprecedented growth of mobile phones to make transactions has become a dependable form of payment for low-income earners living in rural and urban Kenya, increasing demand for goods and services and stimulating demand for money. However, its effect on money demand and subsequent effect on monetary policy is inconclusive as observed from past empirical studies. Furthermore, the rapid adoption of mobile money has generated new data needs and growing interest in understanding its contributi...

Music Composition Based on Nigerian/African Traditional Musical Idioms: A Panacea for Criminality and Violence.

ABSTRACT Music composition – whether folk, art or popular – has inestimably enhanced knowledge and immensely contributed positively to society building throughout the ages in scores of ways. It transfers history from generation to generation and has been a unifying element, a means of disseminating information and a medium of correcting bad conduct in the society. Ruminations over the conflict situation in Nigeria reveal the necessity of the continuum of music composition (and performance...

An Evaluative Study of Tourism Service Delivery and its Effectiveness: The Case of Addis Ababa Arts, Culture, and Tourism Bureau

Abstract  This study aims to conduct an evaluative analysis of tourism service delivery and its effectiveness, focusing on the case of the Addis Ababa Arts, Culture, and Tourism Bureau. To achieve this objective, the researcher utilized a combination of descriptive and explanatory research designs, which enabled a more accurate and comprehensive understanding of the research topic. Both qualitative and quantitative approaches were employed in this study. The primary sources of data included ...

MATHEMATICAL BELIEFS, WORKING MEMORY CAPACITY, AND MATHEMATICAL CREATIVITY IN PROBLEM SOLVING OF THE STUDENTS

Introduction In Mathematics class in every discussion or lesson to be tackled, there is a part where students or learners tend to be exposed to problem-solving. An activity that stimulates those learners to understand today's topic or access their mastery of the lesson that the teacher teaches. The ability to solve problems is a basic life skill and is essential to our day-to-day lives, at home, at school, at home, and at work. We solve problems every day with or without thinking about how we...

Rethinking Journal classification: Rethinking Journal classification in the twenty-first century in the interests of a higher quantum of scientific output

In this paper, we challenge Jeffrey Beall’s still dominant in the psyche approach to journal classification and some other ill-conceived approaches to journal classification, and attempt to show why such reductionist views are harmful to the healthy growth of science. While scientific fraud in any form must be horsewhipped and must not be exonerated or absolved at any cost and under any circumstances, journal classification and all other attendant issues and factors impacting and affecting ...

Human Trafficking: Labor Export In Uganda

Are the proceeds of labour export really worth it? Does the end justify the means

Exploring Maternal Biomarkers and Risk Factors in Preeclampsia: Insights from a Ghanaian Case-control Study

Aims: The involvement of maternal sociodemographic, obstetric, clinical, anthropometric and biochemical variables in preeclampsia has been demonstrated in previous studies. However, there are intra- and inter-population variabilities in study findings due to differences in genetic and environmental factors. This requires population-specific studies to aid the formulation of local protocols for the early detection and management of preeclampsia. Study Design: This was a case-control study Pl...

Exploring Hematological and Biochemical Disparities in Same-Sex and Opposite-Sex Females: A Cross-Sectional Twin Study in a Ghanaian Population

There are sex-dependent differences in hematological and biochemical variables in adulthood attributed to the predominant effects of testosterone in males and estrogen in females. The Twin Testosterone Transfer (TTT) hypothesis proposes that opposite-sex females may develop male-typical traits due to exposure to relatively higher levels of prenatal testosterone than same-sex females. Additionally, prenatal testosterone exposure has been suggested as a correlate of current circulating testoste...

Spatial distribution of Diamondback moth, Plutella xylostella L. (Lepidoptera: Plutellidae), at the field and the regional level in Ethiopia

Abstract: Pheromone trap catches were used to study the spatial distribution of Diamondback moth (DBM), Plutella xylostella L., at both single field and regional levels. At the field level, the DBM population tended to remain within the cabbage field. At the regional level, DBM captures were highly influenced by geographic location and cropping systems. In highland areas, daily maximum temperatures positively influenced the aggregation index, whereas in the lowland areas, rainfall had a nega...

High Fertilizer Rates Increase Susceptibility of Tea to Water Stress

Abstract: A study to determine the association of fertilizer with soil water deficit in tea [Camellia sinensis (L.) O. Kuntze] was conducted in a rain-out shelter using potted plants, in which five rates of fertilizer (0, 75, 150, 225 and 300 kg Nitrogen ha−1) and six levels of soil water content (38, 34, 30, 26, 22 and 18% v/v) were applied in a complete randomized design and replicated three times.The soil water treatment was maintained for a period of 12 weeks during which shoot growth,...

Cross Mating Studies among Five Fruit Fly Parasitoid Populations: Potential Biological Control Implications for Tephritid Pests

Abstract: The reproductive compatibility between four different species/populations of the tephritid parasitoid Psyttalia (Walker) species from Kenya and individuals of the morphologically identical Psyttalia concolor (Sze´pligeti) (Hymenoptera: Braconidae) from a laboratory culture in Italy used in augmentative biological control of olive fly, Bactrocera oleae (Gmelin) (Diptera: Tephritidae) was assessed through cross mating tests using single-pair and group mating methods. Reciprocal cros...

Essential oil of Ocimum grattissimum (Labiatae) as Sitophilus zeamais (Coleoptera: Curculionidae) protectant

Abstract: Ocimum grattissimum L. (Labiatae) leaves are widely eaten as a vegetable in Nigeria, and in the eastern parts, are traditionally used in post-harvest protection and relieving stomach aches. The effect of the essential oil of O. grattissimum leaves on Sitophilus zeamais (Motschulsky) (Coleoptera: Curculionidae) was assessed for repellency, mortality, progeny emergence and maize damage in the laboratory. The oil was found to be moderately repellent to the maize weevil and induced hig...

Evolution of a Polydnavirus Gene in Relation to Parasitoid–Host Species Immune Resistance

Abstract: CrV1, a polydisperse DNA virus (polydnavirus or PDV) gene contributes to the suppression of host immunity in Cotesia genus parasitoids. Its molecular evolution was analyzed in relation to levels of resistance in the sympatric host species. Natural selection for nonsynonymous substitutions (positive Darwinian selection) was observed at specific amino acid sites among CrV1 variants; particularly, between parasitoid strains immune suppressive and nonimmune suppressive to the main resi...

Importance of Plant Physical Cues in Host Acceptance for Oviposition by Busseola Fusca

Abstract: Plant and surrogate stems exhibiting specific combinations of physical cues were used to determine which plant-related stimuli influence the oviposition of Busseola fusca (Fuller) (Lepidoptera: Noctuidae). The number of eggs and egg batches laid per female increased with an increase in diameter of both natural and artificial stems. Direct observations of the oviposition behaviour (walking, antennating, and sweeping with the ovipositor) indicated that the female moths preferred ovip...

Comparison of five Allopatric Fruit Fly Parasitoid Populations (Psyttalia species) (Hymenoptera: Braconidae) from Coffee Fields using Morphometric and Molecular Methods

Abstract: Morphometric studies of five allopatric parasitoid populations (genus Psyttalia Walker) from coffee plantations in Cameroon (Nkolbisson), Ghana (Tafo) and Kenya (Rurima, Ruiru and Shimba Hills) and one non-coffee population (from Muhaka, Kenya) were compared with individuals of Psyttalia concolor (Sze´pligeti), a species released in several biological control programmes in the Mediterranean Region since the 20th Century. Analyses of wing vein measurements showed the second submarg...