نتایج جستجو برای: sample ttest

تعداد نتایج: 407724  

2006
Randy Tobias

PROC TTEST is an old reliable among SAS/STAT procedures, testing hypotheses about means of one and two normal samples. While this is a narrow class of analyses, it’s an important class, with key applications in all areas of science, including clinical trials. Recent updates to the TTEST procedure make it an even more powerful tool for the statistician. The enhancements include: • Equivalence te...

Journal: :Proceedings of the ICECRS 2021

The purpose of this study to find out whether there is a significant effect GIST strategy teach reading comprehension in descriptive text seven grade students. This uses quantitative method. usedtrue experimental which took two classes randomly, VII I as class and H control class. instrument used test. result showed from mean the pretest 75.13 posttest 86.94. researchers ttest formula calculate...

1997

h. t-Test: This is one of the most powerful and widely used statistical tests. The ttest (Student's t) is used to calculate the confidence intervals of a measurement when the population standard deviation ()) is not know. Which is usually the case. The t-test is also used to compare two averages. The t-test corrects for the uncertainty of the sample standard deviation (s) caused by taking a sma...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد گرمسار - دانشکده علوم انسانی 1391

abstract the following study, in the first place, attempted to examine the effect of less experienced teachers participation in experienced teachers classes on their own skills and teaching methodology, in the second place, attempted to find out the role of teachers training in students achievements. for this purpose, 21 efl teachers were selected according to available sampling in kish l...

Journal: :The Journal of experimental biology 2014
Nanike Esterhuizen Susana Clusella-Trullas Corne E van Daalen Ruben E Schoombie Leigh Boardman John S Terblanche

The influence of thermal history on temperature-dependent flight performance was investigated in an invasive agricultural pest insect, Ceratitis capitata (Diptera: Tephritidae). Flies were exposed to one of four developmental acclimation temperatures (Tacc: 15, 20, 25, 30°C) during their pupal stage and tested at these temperatures (Ttest) as adults using a full-factorial study design. Major fa...

2013
Kiranjeet Kaur

The present study aimed at analyzing whether the engineering students with high and low achievement motivation differed from each other in personality or not? Total sample of 559 (305 boys and 254 girls) engineering students was taken from different engineering colleges of Punjab. This study focused at investigating how big five factors of personality i.e. Neuroticism, Extraversion, Openness to...

Journal: :Brazilian oral research 2017
Karine Laskos Sakoda Paula Karine Jorge Cleide Felício Carvalho Carrara Maria Aparecida de Andrade Moreira Machado Fabrício Pinelli Valarelli Arnaldo Pinzan Thais Marchini Oliveira

This study aimed at monitoring the maxillary growth of children with cleft lip/palate in the first two years of life, and to evaluate the effects of primary surgeries on dental arch dimensions. The sample consisted of the three-dimensional digital models of 25 subjects with unilateral complete cleft lip and palate (UCLP) and 29 subjects with isolated cleft palate (CP). Maxillary arch dimensions...

Journal: :Koordinat 2021

This research aims to determine the effect of guided inquiry learning methods on student outcomes in science lessons. is quantitative study. Sample this were 34 students fifth grade SD Islam Khalifah Palu. The instrument was a multiple choice question. data analysis done form validity test with SPSS 23 and reliability KR 21. Hypothesis testing by using One T-Test 23. results tests obtained ttes...

2006
Timothy Chan

We are now in a new era. The recent completion of the entire sequence of the human genome and high-throughput gene expression technologies has transformed the era of molecular biology to the era of genomics. Already, such technologies are showing great promise in disease classification and gene targets. However, like any new exciting technology, great promise and anticipation can lead to wasted...

2015
Eun Hee Choi Eun Hwi Kim

This study was conducted to verify effects of repeated simulationexposure by the role on hospital emergency care. A non-equivalent control group design was used in this study. 144 nursing students had 6 time simulation-based educations. The experimental group (n=65) had leader experiences but the control group (n=79) didn’t have. Satisfaction, selfevaluation and performance were measured to com...

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید