Experimental Design and Power

Eta Squared Calculator

Calculates eta squared as the share of total variation associated with group differences. The worked condition keeps the inputs and convention visible for checking.

Design and power inputs

Set the labeled inputs

squared units
squared units
Calculated result

Eta Squared

Result
SS_between / SS_total

    The reference quantity during an independent review for eta squared

    Calculates eta squared as the share of total variation associated with group differences. The named quantity is eta squared calculator. This is section 1 of the eta squared discussion.

    Save the inputs, formula convention, units, exclusions, and unrounded output with this result. This statement is conditional on the eta squared setup and section 1.

    For eta squared, preserve the source definition, the stated units, and the named convention beside the displayed number. A second analyst should be able to reconstruct the same result without guessing which population or setup was intended.

    A compact route to the answer at the chosen parameters for eta squared

    Eta squared is descriptive and its interpretation depends on the design and outcome scale. The named quantity is eta squared calculator. This is section 2 of the eta squared discussion.

    Between-group SS 84 out of total SS 300 gives eta squared .28. This statement is conditional on the eta squared setup and section 2.

    For eta squared, preserve the denominator choice, the stated units, and the named convention beside the displayed number. A second analyst should be able to reconstruct the same result without guessing which population or setup was intended.

    The boundary of the claim before comparing methods for eta squared

    Eta squared is descriptive and its interpretation depends on the design and outcome scale. The named quantity is eta squared calculator. This is section 3 of the eta squared discussion.

    Save the inputs, formula convention, units, exclusions, and unrounded output with this result. This statement is conditional on the eta squared setup and section 3.

    For eta squared, preserve the comparison group, the stated units, and the named convention beside the displayed number. A second analyst should be able to reconstruct the same result without guessing which population or setup was intended.

    How to carry the result forward when the result is reused for eta squared

    Calculates eta squared as the share of total variation associated with group differences. The named quantity is eta squared calculator. This is section 4 of the eta squared discussion.

    Between-group SS 84 out of total SS 300 gives eta squared .28. This statement is conditional on the eta squared setup and section 4.

    For eta squared, preserve the time boundary, the stated units, and the named convention beside the displayed number. A second analyst should be able to reconstruct the same result without guessing which population or setup was intended.

    The quantity this page defines in the worked condition for eta squared

    Eta squared is descriptive and its interpretation depends on the design and outcome scale. The named quantity is eta squared calculator. This is section 5 of the eta squared discussion.

    Save the inputs, formula convention, units, exclusions, and unrounded output with this result. This statement is conditional on the eta squared setup and section 5.

    For eta squared, preserve the design boundary, the stated units, and the named convention beside the displayed number. A second analyst should be able to reconstruct the same result without guessing which population or setup was intended.

    A direct numerical check before reporting for eta squared

    Eta squared is descriptive and its interpretation depends on the design and outcome scale. The named quantity is eta squared calculator. This is section 6 of the eta squared discussion.

    Between-group SS 84 out of total SS 300 gives eta squared .28. This statement is conditional on the eta squared setup and section 6.

    For eta squared, preserve the rounding rule, the stated units, and the named convention beside the displayed number. A second analyst should be able to reconstruct the same result without guessing which population or setup was intended.

    Questions about this calculation

    Under the stated model, does this result establish a causal relationship for eta squared?

    Keep the inputs, units, method, exclusions, and unrounded output together. The reported quantity here is eta squared calculator.

    Before drawing a conclusion, what belongs in the saved record for eta squared?

    Keep the inputs, units, method, exclusions, and unrounded output together. The reported quantity here is eta squared calculator.

    For this result, what should be checked before reusing this result for eta squared?

    Keep the inputs, units, method, exclusions, and unrounded output together. The reported quantity here is eta squared calculator.

    During an independent check, why might another program return a different number for eta squared?

    Keep the inputs, units, method, exclusions, and unrounded output together. The reported quantity here is eta squared calculator.