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Fundamentalism is an easily discernible phenomenon in belief-oriented religions like Christianity and Islam which have a simple and exclusive pattern to their faith . The research was designed to test the following hypothesis : Students attending an historically Black university using direct classroom instruction combined with computer-assisted instruction will score significantly higher on the achievement test in algebra , show a significantly greater decrease in mathematics anxiety and show significantly greater positive attitudes toward personal use of computers than students using direct classroom instruction without computer-assisted instruction . Odorants are considered non-toxic in the extremely low concentrations occurring in natural gas delivered to the end user.In mines , where methane seeping from rock formations has no odor , sensors are used , and mining apparatus has been specifically developed to avoid ignition sources , e.g ., the Davy lamp.Explosions caused by natural gas leaks occur a few times each year . Congregation formalizing what had begun in 1896 as a primarily social and religious study group . A woman wrote a very scornful letter , saying , " Her dreams do not correspond to Lutheran doctrine . The purpose of this study was to examine the effects of computer-assisted algebra instruction on achievement , mathematics anxiety levels , and attitudes toward personal use of computers of students in an historically Black university .