ACER ConQuest 4 is a computer program for fitting both unidimensional and multidimensional item response and latent regression models. It provides data analysis based on a comprehensive and flexible range of item response models (IRM), allowing examination of the properties of performance assessments, traditional assessments and rating scales. ACER ConQuest 4 also offers wider measurement and research community analysis procedures based on the most up-to-date psychometric methods of multifaceted item response models, multidimensional item response models, latent regression models and drawing plausible values.
Standard licences of ACER ConQuest 4 are not time limited and can be used with sample sizes up to 3000 participants. Technical support is available.
This is the Mac version of the standard licence. You may purchase this licence once you have downloaded the installer for ConQuest 4 via https://shop.acer.edu.au/acer-conquest-installer-trial-mac.
Once you have purchased your ACER ConQuest licence, you will be emailed a licence key. The email will also include instructions about how to enter the key and upgrade the trial software to a full licence.
If you do not have the latest version of ConQuest or you have a new computer you may need to upgrade or re-download the installer at https://shop.acer.edu.au/acer-conquest-installer-trial-mac.
Once you have reinstalled ConQuest:
- You will be able to use your existing licence key if you are reinstalling in the same year as you purchased the key.
- If you have lost your key, you will need to email us at firstname.lastname@example.org and advise us. Please include as much information about your original purchase as possible.
- You will also need to email us at email@example.com to obtain a new key if you are reinstalling in a year other than which you purchased your original key. Please include your old licence key in your email.
(Note: reinstalling the software does not initiate a new trial period - trials are limited to one per person. If you have already completed a 30-day trial, full use will require a licence key.)