Contents

- 1 Which is a special case of Sem in factor analysis?
- 2 What should the correlation be among 4 items in SEM?
- 3 What are the names of the exogenous variables in SEM?
- 4 What are the names of the latent variables in SEM?
- 5 What is the difference between SEM and path analysis?
- 6 How are structural and measurement relationships determined in SEM?

## Which is a special case of Sem in factor analysis?

Path analysis is a special case of SEM. Path analysis contains only observed variables, and has a more restrictive set of assumptions than SEM. In factor analysis, we would represent such a test as . Where V stands for the latent variable vocabulary, X1 through X4 stand for the items in the test, and e1 through e4 stand for measurement

## What should the correlation be among 4 items in SEM?

We are assuming a single latent variable (factor) that corresponds to vocabulary. The factor is assumed to cause the observed correlation among the 4 items. The correlation among the items would be 1.0 except for the errors.

**What’s the difference between path analysis and Sem?**

The main difference between the two types of models is that path analysis assumes that all variables are measured without error. SEM uses latent variables to account for measurement error. A latent variable is a hypothetical construct that is invoked to explain observed covariation in behavior.

### What are the names of the exogenous variables in SEM?

The observed exogenous variables are labeled X. The latent exogenous variables are labeled ksi (x). The observed endogenous variables are labeled Y; the latent endogenous variables are labeled eta (h). The paths from the latent to the observed variables are labeled lamda (l).

### What are the names of the latent variables in SEM?

The latent exogenous variables are labeled ksi ( x ). The observed endogenous variables are labeled Y; the latent endogenous variables are labeled eta ( h ). The paths from the latent to the observed variables are labeled lamda ( l ). The paths from the exogenous to the endogenous variables are labeled gamma ( G ).

**What are the two basic parts of SEM?**

SEM has two basic parts: A measurement model and a structural model. The relationships between the variables (both measured and latent) are shown in the measurement model. Only the relationships between the latent variables are shown in the structural model. One important benefit of using latent variables is that they are free of random error.

## What is the difference between SEM and path analysis?

Path Analysis is a variation of SEM, which is a type of multivariate procedure that allows a researcher to examine the independent variables and dependent variables in a research design. Variables can be continuous or discrete. SEM works with measured variables and latent variables. Path Analysis uses measured values only.

## How are structural and measurement relationships determined in SEM?

These structural and measurement relationships are the basis for a hypothesis. And when using SEM, the research design can be modeled by computer. The relationships that are displayed in SEM modeling are determined by data arranged in a matrix. SEM uses cross-sectional variation to do the modeling that yields the conclusions.