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open access

The Effect of Using Class Discussion as a Pre-Writing Activity in Teaching Composition to ESL Students

Description: This study examines the effect of class discussion as a pre-writing activity on actual writing performance. The experiment was conducted with all the Level 3 and Level 4 students enrolled in the Intensive English Language Institute of North Texas State University in the Spring, 1986 semester. Cochrans C test was performed to test significant differences between groups at the beginning of this test. Multivariate analysis of variance tests were used to determine the treatment effect between and w… more
Date: December 1986
Creator: Bang, Hwa-Ja Park
Partner: UNT Libraries
open access

Manufacturer [Sic] of Densified-Refuse Derived Fuel (d-RDF) Pellets and Methods for the Determination of d-RDF Pellet Densities

Description: There are 150 million tons of Municipal Solid Waste (MSW) annually produced in the United States, which is approximately equivalent to 150 million barrels of oil. MSW production is inexhaustible, and is increasing on an annual per capita basis of approximately three per cent. After controlling the moisture and adding a binder, the combustible portion of MSW was converted to pellets. The objects of this project were to 1) evaluate the binder, 2) prepare the pellets, and 3) evaluate the pellets w… more
Date: December 1986
Creator: Attili, Bassam Saleem
Partner: UNT Libraries
open access

Estimating Residential Water Demand: a Case of Multiple-Part Tariff for Denton, Texas

Description: This paper analyzes the demand for water in case of a multiple-part tariff in Denton, Texas. The model used is developed from Billing & Agthe's model by using the following variables: marginal price, difference variable, tax assessed value, lot size, house size, temperature and rainfall.. The results indicate that temperature has the greatest effect on water demand, since this area is considered to be a very warm area. Also, marginal price seems to have a strong effect on water consumption indi… more
Date: December 1986
Creator: Wattanakuljarus, Voravit
Partner: UNT Libraries
open access

The Analysis of the Demand for Residential Water in the City of Denton

Description: The main objective of this study is to analyze the demand for water in Denton. The data used for the study are obtained from the City of Denton Utilities Department, the Tax Appraisal District and government documents. The 121 households which have perfect ten years historical data of water consumption were selected to be the representatives of all households in Denton. The study reveals that the change in water consumption significantly relates to the change in marginal price. Furthermore, the… more
Date: December 1986
Creator: Sawangchareon, Dumrongchai
Partner: UNT Libraries
open access

Forecasting Quarterly Sales Tax Revenues: A Comparative Study

Description: The purpose of this study is to determine which of three forecasting methods provides the most accurate short-term forecasts, in terms of absolute and mean absolute percentage error, for a unique set of data. The study applies three forecasting techniques--the Box-Jenkins or ARIMA method, cycle regression analysis, and multiple regression analysis--to quarterly sales tax revenue data. The final results show that, with varying success, each model identifies the direction of change in the future,… more
Date: August 1986
Creator: Renner, Nancy A. (Nancy Ann)
Partner: UNT Libraries
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