Understanding P-Values and Statistical Significance
Aug 11, 2025 · With a larger sample, even small differences between groups or effects can become statistically significant, yielding lower p-values. In contrast, smaller sample sizes may not have …
How to Tell If There Is a Significant Difference Between Two Groups
Nov 10, 2025 · Two studies might observe the exact same numerical difference between groups, yet one could be statistically significant while the other is not. This outcome is largely due to two factors: …
Significant Difference Definition - AP Statistics Key Term | Fiveable
A significant difference refers to a result that is unlikely to have occurred by chance alone, indicating that there is a real effect or relationship present in the data being analyzed.
6.4 - Practical Significance | STAT 200 - Statistics Online
In the last lesson, you learned how to identify statistically significant differences using hypothesis testing methods. If the p value is less than the α level (typically 0.05), then the results are statistically …
statistically significant difference | Definition
Mar 29, 2025 · What Is a Statistically Significant Difference? In social science research, a statistically significant difference means that the results observed in a study are unlikely to be due to random …
What is Significant Difference? | A Simplified Psychology Guide
In statistical analysis, determining a significant difference involves comparing the p-value (probability value) to a predetermined significance level, usually denoted as alpha (α). If the p-value is less than …
Using “Significant Difference”: A Comprehensive Guide
“Significant” implies importance, consequence, or noteworthiness, while “difference” refers to a point or way in which people or things are dissimilar. Together, they convey that the dissimilarity is of …
What is a significant difference in testing? - statsig.com
Nov 2, 2024 · Statistical significance tells us how likely it is that the results we observe are not just due to chance. It's a crucial part of interpreting test results and figuring out if there's a meaningful …
Significant Difference Definition | Psychology Glossary | Alleydog.com
A Significant Difference between two groups or two points in time means that there is a measurable difference between the groups and that, statistically, the probability of obtaining that difference by …
SIGNIFICANT DIFFERENCE definition and meaning | Collins English …
A significant amount or effect is large enough to be important or affect a situation to a noticeable degree. [...] Collins COBUILD Advanced Learner’s Dictionary. Copyright © HarperCollins Publishers. Show …