$7.99
⭐️5 / 5
Rating
🙌1
Ratings
📼5 scs
Content
📦~ in 3 months
Updates frequency
🗣❌ unsupported
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- Versions
- Price History
- Description
- FAQ
All Versions of n4Studies
2.3
February 20, 2024
Fix some issues
2.2
August 3, 2023
Version 2.2 - Add the probability calculations from odds ratio and risk ratio
More2.1
June 29, 2023
Version 2.1 - Fix about image attachments
Version 2.0 - Change all user interfaces
More2.0
June 27, 2023
• Added a sample size for comparing more than two independent groups (three or four groups)
More1.4.1
October 29, 2014
This app has been updated by Apple to display the Apple Watch app icon.
• Changed the formulas for calculating the sample size of non-inferiority and superiority trial (two sample design)
• Added the sample size and power calculations for non-inferiority and superiority in one-sample design
More1.3.0
August 26, 2014
• Sample size formula(s) is/are shown on each sample size calculation and help screens
• Added the text fields for design effect in sample size calculations for estimations.
• Added the calculations for a test performance (sensitivity, specificity, positive and negative predictive value, positive and negative likelihood ratio, and etc.)
More1.2.0
May 29, 2014
fixed bugs
1.1.0
January 24, 2014
• Add the results from a continuity correction
• Add the calculation for Chi-squared test, OR. and RR. from 2 by 2 table
More1.0.0
August 7, 2013
Price History of n4Studies
Description of n4Studies
Ease to calculate the sample size with n4Studies.
n4Studies makes it easy to calculate the sample size and the power of a study. It comes with ABSOLUTELY NO WARRANTY. However, It can help to learn and find the ways to calculate the sample size and power of the study in minutes.
Key features:
• Calculate the sample size for estimating an infinite population mean, finite population mean, infinite population proportion and finite population proportion
• Calculate the sample size for comparing two population means and two population proportions
• Calculate the sample size for the Case-Control for study, Matched Case-Control study, Cohort study, Randomized Controlled Trial, Non-inferiority trial and Equivalence trial
• Calculate the power of a study for comparing two population means and two population proportions
• Calculate the power of a study for the Case-Control for study, Matched Case-Control study, Cohort study, Randomized Controlled Trial, Non-inferiority trial and Equivalence trial
• Calculate the power of a study for the Case-Control for study, Matched Case-Control study, Cohort study, Randomized Controlled Trial, Non-inferiority trial and Equivalence trial
• You can send a result via Email to your colleague
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n4Studies: FAQ
No, n4Studies can’t be used on iPad devices yet.
The n4Studies app was developed by Chetta Ngamjarus.
The minimum iOS requirement for the app is 16.0 or higher.
The n4Studies app has a user rating of 5.0.
The App Genre Of N4studies Is Education.
2.3 is the newly released n4Studies version.
The latest n4Studies update came out on July 7, 2024.
n4Studies launched on February 6, 2023.
The n4Studies app is suitable for children aged Chetta Ngamjarus.
The n4Studies app is now available in English.
No, n4Studies is not part of Apple Arcade.
No, you won't find in-app purchases featured in n4Studies.
Unfortunately, n4Studies is not optimized for use with Apple Vision Pro.
