Results 31 to 40 of about 37,249,651 (330)
Pseudohermitian Hamiltonians, time-reversal invariance and Kramers degeneracy [PDF]
, 2002 A necessary and sufficient condition in order that a (diagonalizable) pseudohermitian operator admits an antilinear symmetry T such that T^{2}=-1 is proven.
Bender +14 more
core +2 more sources
The Differences and Similarities Between Two-Sample T-Test and Paired T-Test. [PDF]
Shanghai Arch Psychiatry, 2017 Summary In clinical research, comparisons of the results from experimental and control groups are often encountered. The two-sample t-test (also called independent samples t-test) and the paired t-test are probably the most widely used tests in ...
Xu M +5 more
europepmc +2 more sources
Algorithm to choose the appropriate test for comparison between two groups
Cancer Research, Statistics, and Treatment, 2021 The current manuscript describes the method of selection of statistical tests for comparing two groups. In this article, we discuss the factors on which the selection of tests depends and provide an algorithm for the selection of the inferential ...
Sampada B Dessai, Vijay M Patil
doaj +1 more source
Mental Toughness Levels of Male and Female Football Players
Türk Spor ve Egzersiz Dergisi, 2023 The aim of this study is to determine the mental toughness levels of male and female football players in sports. The population of the study consists of female football players from the Super League in 2021-2022 and amateur football players in the ...
Alpaslan Kartal +2 more
doaj
Non-central t distribution and the power of the t test: A rejoinder [PDF]
Tutorials in Quantitative Methods for Psychology, 2011 Non-central t distribution needed for assessing the power of the t test is described. Three approximations are compared and their merits discussed in regard to simplicity and accuracy.
Denis Cousineau, Louis Laurencelle
doaj
Performance of the T-SPOTⓇ.COVID test for detecting SARS-CoV-2-responsive T cells
International Journal of Infectious Diseases, 2021 Objective: To evaluate the performance of the T-SPOT.COVID test for identifying SARS-CoV-2-responsive T-cells in participants with SARS-CoV-2 infection.
Margaret Kruse +8 more
doaj +1 more source
, 2022 We discuss the role that the null hypothesis should play in the construction of a test statistic used to make a decision about that hypothesis.
MacEachern, Steven N. +2 more
core +1 more source
Comparison of the empirical variances and mean values of normally distributed populations of nuclear counts [PDF]
Nuclear Technology and Radiation Protection, 2014 This paper discusses the possibility of applying the F-test and double t-test in problems related to the identification of number of radioactive isotopes in a contaminated area by using only counters for radiation detection.
Lazarević Đorđe R. +3 more
doaj +1 more source
Al-Mustansiriyah Journal of Science, 2021 Temperature and relative humidity are the most important factors affecting on human comfort. This Research test the monthly average temperature and relative humidity for some selected stations in Iraq, three stations (Baghdad - Mosul - Basra) to find the
Iqbal Khalaf Al-Ataby +1 more
doaj +1 more source
Emotion management in mathematics test
Moroccan Journal of Quantitative and Qualitative Research, 2019 The main purpose of this study is identifying and comparing profiles of high-performing students group and lowperforming students group in terms of type of emotions reported in test context and frequency of using emotion management strategies mobilized ...
S. HADJI, H. MAYMOUN
doaj +1 more source