Estimation application downloads and cost
Description
Abu-Bader Sample Size App helps users to determine the minimum sample size required for the most utilized bivariate and advanced statistics (Pearson’s correlation, Student’s t-tests, ANOVA, ANCOVA, Chi-Square tests, and Multiple Regression Analysis) in order to achieve a statistical power of .80 given a number of requirements. The App describes the purpose of each test as well as each requirement used to determine the sample size
These requirements include level of significance (alpha = .001, .050, & .010) and effect size (small, medium, & large). Other requirements include one- vs. two-tailed hypothesis for Pearson’s correlation and Student’s t-tests, number of groups for one-way ANOVA and ANCOVA (groups = 3, 4, & 5), degrees of freedom for Chi-Square tests (df = 1, 2, & 3), and number of factors for Multiple Regression Analysis (factors = 2, 3, 4, & 5).
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These requirements include level of significance (alpha = .001, .050, & .010) and effect size (small, medium, & large). Other requirements include one- vs. two-tailed hypothesis for Pearson’s correlation and Student’s t-tests, number of groups for one-way ANOVA and ANCOVA (groups = 3, 4, & 5), degrees of freedom for Chi-Square tests (df = 1, 2, & 3), and number of factors for Multiple Regression Analysis (factors = 2, 3, 4, & 5).
ASO analyse Abu-Bader Sample Size app for iPhone and iPad
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Application availability
Available in countries
Country | Price |
---|---|
Canada | free |
China | free |
France | free |
Germany | free |
Italy | free |
Netherlands | free |
Portugal | free |
Spain | free |
Poland | free |
UK | free |
India | free |
Japan | free |
Korea, Republic Of | free |
Poland | free |
Russia | free |
Turkey | free |
USA | free |
Korea, Republic Of | free |
Ukraine | free |