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Confidence Interval

Statistics & analysis

Definition

A range around a sample estimate within which the true population value plausibly lies — a 95% CI conveys both the estimate and its precision.

Where it's used

Reporting effects with their uncertainty, as journals increasingly require
Interpreting whether an effect is precise enough to act on

Software used

SPSSRJASP

Related concepts

p-value Effect Size Sample Size ANOVA Average Variance Extracted (AVE)Bootstrapping

Read the complete guide A–Z encyclopedia

Guides that use this concept

Sampling Methods in Research: Types, Selection & Justification

How to Choose the Right Statistical Test: A Decision Guide

Qualitative vs Quantitative vs Mixed Methods: Which Fits Your Study?

Reliability and Validity Explained (With Examples)

Mentoring for this area:Questionnaire Design Sampling SPSS

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