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Mplus

VPAT/508 Complaince

Muthen & Muthen Accessibility Statement

Mplus Version 8.6 and Selected Pages from User’s Guide

(Based on VPAT ® Version 2.4)

The Section 508 of the Rehabilitation Act of 1973, as amended by Congress in the Workforce Investment Act of 1998, and as revised in 2018, requires that electronic and information technology used by Federal agencies be accessible to people with disabilities.

This page provides information about Muthen & Muthen's Section 508 compliance, including Voluntary Product Accessibility Template (VPAT) documenting compliance.

Conformance status

The Web Content Accessibility Guidelines (WCAG) defines requirements for designers and developers to improve accessibility for people with disabilities. It defines three levels of conformance: Level A, Level AA, and Level AAA. 

Mplus v.8.6 and its associated PDF user guide is partially conformant with WCAG 2.0 level AA. Partially conformant means that some parts of the content do not fully conform to the accessibility standard.

Compatibility with browsers and assistive technology

Mplus v.8.6 is designed to be compatible with the following assistive technologies:

  • Partial support for JAWS and NVDA on Windows 10
  • Partial support for Adobe Acrobat Pro DC on Windows 10

Limitations and alternatives

Despite our best efforts to ensure accessibility of Mplus v.8.6, there may be some limitations. Below is a description of known limitations and potential solutions. Please contact us if you observe an issue not listed in the conformance status listing above or the items listed below.

Known limitations for Mplus v.8.6:

  1. Tables and headings: Tables of data output by software do not have accessible markup.
  2. Keyboard access: Certain components and functionality could not be accessed via use of the keyboard due to a keyboard trap (see next item).
  3. Keyboard trap: A keyboard trap is present in the application that prevents users from accessing additional functionality without a mouse.
  4. Focus order: Focus does not always move to intended content or content that should otherwise receive focus.
  5. Name, role, value: Many controls in the application are missing appropriate markup for names/roles.
  6. Images: Some images do not have appropriate alternative text descriptions.
  7. Title and Language: The PDF user's guide does not have an appropriate title and/or language identified.

Assessment approach

Muthen & Muthen assessed the accessibility of Mplus v.8.6 by the following approaches:

  • External evaluation by an independent third-party organization, TestPros, Inc.

Evaluation report

A completed Voluntary Product Accessibility Template (VPAT®) version 2.4 for Mplus v.8.6 is available at: https://statmodel.com/ACR/TestProsACR-forMplus.pdf

Formal complaints and feedback

We welcome your feedback on the accessibility of Mplus 8.6. Please let us know if you encounter accessibility barriers at:

We try to respond to feedback within 2 business days.

Formal approval of this accessibility statement

This Accessibility Statement is approved by:

Michelle Conn

Muthen & Muthen

Date: September 20th, 2021

 

Criteria  

Conformance Level   

Remarks and Explanations  

1.1.1 Non-text Content (Level A) 

 

Electronic Docs: Does Not Support 

 

Software: Supports 

 

Electronic Docs: Some images do not have alternative text.

 

Software: Non-text content had appropriate alternative text.  

 

1.2.1 Audio-only and Video-only (Prerecorded) (Level A) 

Electronic Docs: N/A 

 

Software: N/A 

 

Electronic Docs: N/A 

 

Software: N/A 

 

1.2.2 Captions (Prerecorded) (Level A) 

Electronic Docs: N/A 

 

Software: N/A 

 

Electronic Docs: N/A  

 

Software: N/A 

 

1.2.3 Audio Description or Media Alternative (Prerecorded) (Level A) 

Electronic Docs: N/A 

 

Software: N/A 

 

Electronic Docs: N/A  

 

Software: N/A 

 

1.3.1 Info and Relationships (Level A) 

Electronic Docs: Does Not Support 

 

Software: Does Not Support 

 

Electronic Docs: Heading, data table, and list items did not have appropriate accessible markup.

 

Software: Output files were missing data table and heading structure. 

 

1.3.2 Meaningful Sequence (Level A) 

Electronic Docs: Supports 

 

Software: Supports 

 

Electronic Docs: Document contents were presented in a logical sequence. 

 

Software: All content was presented in a logical sequence. 

 

1.3.3 Sensory Characteristics  (Level A) 

Electronic Docs: Supports 

 

Software: Supports 

 

Electronic Docs: Sensory Characters were not used as the only way to communicate information. 

 

Software: Sensory Characters were not used as the only way to communicate information. 

 

 

1.4.1 Use of Color (Level A) 

Electronic Docs: Supports 

 

Software: Supports 

 

Electronic Docs: Color was not used as the sole means for conveying information.

 

Software: Color was not used as the sole means for conveying information.

 

1.4.2 Audio Control (Level A) 

Electronic Docs: N/A 

 

Software: N/A 

 

Electronic Docs: N/A  

 

Software: N/A 

 

2.1.1 Keyboard (Level A) 

Electronic Docs: Supports 

 

Software: Does Not Support 

 

Electronic Docs: The content of the document was accessible using a keyboard.

 

Software: Controls in the application were not accessible using a keyboard.

 

2.1.2 No Keyboard Trap (Level A) 

Electronic Docs: Supports 

 

Software: Does Not Support 

 

Electronic Docs: There were no keyboard traps present.

 

Software: Keyboard traps were present.

 

2.2.1 Timing Adjustable (Level A) 

Electronic Docs: N/A 

 

Software: N/A 

 

Electronic Docs: N/A 

 

Software: N/A 

 

2.2.2 Pause, Stop, Hide (Level A) 

Electronic Docs: N/A 

 

Software: N/A 

 

Electronic Docs: N/A 

 

Software: N/A 

 

2.3.1 Three Flashes or Below Threshold (Level A) 

Electronic Docs: Supports 

 

Software: Supports 

 

Electronic Docs: No flashing content was found.

 

Software: No flashing content was found. 

2.4.1 Bypass Blocks (Level A) 

Electronic Docs: N/A 

 

Software: N/A 

 

Electronic Docs: N/A 

 

Software: N/A 

 

2.4.2 Page Titled (Level A) 

Electronic Docs: Does Not Support 

 

Software: Supports 

 

Electronic Docs: The document did not have a title.

 

Software: All screens had an appropriate title.  

 

2.4.3 Focus Order (Level A) 

Electronic Docs: Supports 

 

Software: Does Not Support 

 

Electronic Docs: Focus order was logical and meaningful. 

 

Software: Focus did not move to some content.

 

2.4.4 Link Purpose (In Context) (Level A) 

Electronic Docs: N/A 

 

Software: Supports 

 

Electronic Docs: No links or buttons were present. 

 

Software: Links and buttons appropriately conveyed their purpose. 

 

3.1.1 Language of Page (Level A) 

Electronic Docs: Does Not Support 

 

Software: Supports 

 

Electronic Docs: The document did not have an appropriate language identified. 

 

Software: The application properly identified its language. 

 

3.2.1 On Focus (Level A) 

Electronic Docs: Supports 

 

Software: Supports 

 

Electronic Docs: No changes occurred with change in focus.

 

Software: No changes occurred with change in focus.  

 

3.2.2 On Input (Level A) 

Electronic Docs: Supports 

 

Software: Supports 

 

Electronic Docs: There were no changes with input.

 

Software: There were no changes with input. 

 

3.3.1 Error Identification (Level A) 

Electronic Docs: N/A 

 

Software: Supports 

 

Electronic Docs: N/A 

 

Software: Clear and concise error message were provided 

 

3.3.2 Labels or Instructions (Level A) 

Electronic Docs: N/A 

 

Software: Supports 

 

Electronic Docs:  N/A

 

Software: Labels and instruction were present for all the form fields. 

 

4.1.1 Parsing (Level A) 

Electronic Docs: N/A 

 

Software: N/A 

 

Electronic Docs: N/A 

 

Software: N/A 

 

4.1.2 Name, Role, Value (Level A) 

Electronic Docs: Does Not Support 

 

Software: Does Not Support 

 

Electronic Docs: Images were improperly marked as sections. 

 

Software: Some controls in the dialog were missing an appropriate name and/or role. 

 

1.2.4 Captions (Live) (Level AA) 

 

Electronic Docs: N/A 

 

Software: N/A 

 

Electronic Docs: N/A 

 

Software: N/A 

 

1.2.5 Audio Description (Prerecorded) (Level AA) 

 

Electronic Docs: N/A 

 

Software: N/A 

 

Electronic Docs: N/A 

 

Software: N/A 

 

1.4.3 Contrast (Minimum) (Level AA) 

Electronic Docs: Supports 

 

Software: Supports 

 

Electronic Docs: The contents met the minimum contrast requirements. 

 

Software: The contents met the minimum contrast requirements. 

 

1.4.4 Resize text (Level AA) 

 

Electronic Docs: Supports 

 

Software: Supports 

 

Electronic Docs: Text can be resized up to 200%. 

 

Software: Text can be resized up to 200%. 

 

1.4.5 Images of Text (Level AA) 

 

Electronic Docs: Supports 

 

Software: Supports 

 

Electronic Docs: There were no non-essential images of text found. 

 

Software: There were no non-essential images of text found. 

 

2.4.5 Multiple Ways (Level AA) 

 

Electronic Docs: N/A 

 

Software: N/A 

 

Electronic Docs: N/A 

 

Software: N/A 

 

2.4.6 Headings and Labels (Level AA) 

Electronic Docs: Supports 

 

Software: Supports 

 

Electronic Docs: The visual headings were descriptive. 

 

Software: The visual headings were descriptive. 

 

2.4.7 Focus Visible (Level AA) 

 

Electronic Docs: Supports 

 

Software: Supports 

 

Electronic Docs: Focus was visible. 

 

Software: Focus was visible. 

 

3.1.2 Language of Parts (Level AA) 

 

Electronic Docs: N/A 

 

Software: N/A 

 

Electronic Docs: N/A 

 

Software: N/A 

 

3.2.3 Consistent Navigation (Level AA) 

Electronic Docs: Supports 

 

Software: Supports 

 

Electronic Docs: Navigation was consistent. 

 

Software: Navigation was consistent. 

 

3.2.4 Consistent Identification (Level AA) 

Electronic Docs: Supports 

 

Software: Supports 

 

Electronic Docs: Identification of the contents were consistent. 

 

Software: Identification of the contents were consistent. 

 

3.3.3 Error Suggestion (Level AA) 

Electronic Docs: N/A 

 

Software: Supports 

 

Electronic Docs: N/A 

 

Software: Error suggestion were provided. 

 

3.3.4 Error Prevention (Legal, Financial, Data) (Level AA) 

Electronic Docs: N/A 

 

Software: N/A 

 

Electronic Docs: N/A 

 

Software: No legal and financial data was required.  





Additional accessibility considerations

Although our goal is WCAG 2.0 Level AA conformance, we have also applied the Section 508 Functional Performance Criteria:

Criteria  

Conformance Level   

Remarks and Explanations  

302.1 Without Vision 

Electronic Docs: Partially Supports 

 

Software: Partially Supports 

 

Electronic Docs: Some non-text elements were missing alternative text. 

 

Software: Some controls were missing keyboard access. 

 

302.2 With Limited Vision 

Electronic Docs: Supports 

 

Software: Supports 

 

Electronic Docs: Text can be resized and there were no low contrast elements. 

 

Software: Text can be resized and there were no low contrast elements. 

 

302.3 Without Perception of Color 

Electronic Docs: Supports 

 

Software: Supports 

 

Electronic Docs: Color was not used to convey information. 

 

Software: Color was not used to convey information. 

 

302.4 Without Hearing 

Electronic Docs: Supports 

 

Software: Supports 

 

Electronic Docs: No Audio or video content found. 

 

Software: No Audio or video content found. 

 

302.5 With Limited Hearing 

Electronic Docs: Supports 

 

Software: Supports 

 

Electronic Docs: No Audio or video content found. 

 

Software: No Audio or video content found. 

 

302.7 With Limited Manipulation 

Electronic Docs: Supports 

 

Software: Supports 

 

Electronic Docs: All the content was accessible for users with limited manipulation. 

 

Software: All the content was accessible for users with limited manipulation. 

 

302.8 With Limited Reach and Strength 

Electronic Docs: Supports 

 

Software: Supports 

 

Electronic Docs: All the content was accessible for users with limited reach and strength 

 

Software: All the content was accessible for users with limited reach and strength 

 

302.9 With Limited Language, Cognitive, and Learning Abilities 

Electronic Docs: Supports 

 

Software: Supports 

 

Electronic Docs: All the control elements were provided in a logical sequence. 

 

Software: All the control elements were provided in a logical sequence. 

 

 

Criteria

Conformance Level

Remarks and Explanations

601.1 Scope 

Heading cell – no response required

Heading cell – no response required

602 Support Documentation 

Heading cell – no response required

Heading cell – no response required

602.2 Accessibility and Compatibility Features

N/A

The application is not subject to Chapter 4

602.3 Electronic Support Documentation

See WCAG 2.0 section

See information in WCAG 2.0 section

602.4 Alternate Formats for Non-Electronic Support Documentation

Supports

Alternate formats of print materials can be provided at the user’s request.

603 Support Services 

Heading cell – no response required

Heading cell – no response required

603.2 Information on Accessibility and Compatibility Features

Supports

Support services provide a contact method conforming to 603.3.

603.3 Accommodation of Communication Needs

Supports

Email accessibility@StatModel.com for all types of support. Call 310-391-9971 for voice support for installation questions

Legal Disclaimer

The information above describes this product's ability to support the standards indicated in the Applicable Standards/Guidelines section. The document is for informational purposes and represents the current state of the product as of the date of publication. As a dynamic and evolving information system, future issues may arise after the date of publication. Further, Muthen & Muthen does not warrant that this document is error free, nor does it provide any other warranties or conditions, whether expressed orally or implied in law, including implied warranties and conditions of merchantability.

“Voluntary Product Accessibility Template” and “VPAT” are registered service marks of the Information Technology Industry Council (ITI)