Co-Authored By:

##### Asked by: Harbhajan Hentschel

technology and computing programming languages# What is 2 level factorial design?

Last Updated: 9th May, 2020

**2**

^{2}Design**level factorial**experiments is the

**design**where two factors (say

**factor**and

**factor**) are investigated at two

**levels**. A single replicate of this

**design**will require four runs ( ) The effects investigated by this

**design**are the two main effects, and and the interaction effect .

Click to see full answer.

Also asked, what is a 2x2 factorial design?

A **2x2 factorial design** is a trial **design** meant to be able to more efficiently test two interventions in one sample. That being said, the two-way ANOVA is a great way of analyzing a **2x2 factorial design**, since you will get results on the main effects as well as any interaction between the effects.

One may also ask, what are levels in factorial design? In **factorial designs**, a factor is a major independent variable. In this example we have two factors: time in instruction and setting. A **level** is a subdivision of a factor. In this example, time in instruction has two **levels** and setting has two **levels**. Sometimes we depict a **factorial design** with a numbering notation.

Correspondingly, how many conditions are in a 2x2 factorial design?

**2x2** = There are two IVS, the first IV has two levels, the second IV has 2 levels. There are a total of 4 **conditions**, **2x2** = 4.

How do you calculate factorial design?

Essentially, the name of a **factorial design** depends on the levels of the independent variables. The first number is how many levels (or values) there are of the first factor, and the second number is how many levels there are of the second factor.