Task Request Form


To request CNTRACs task software, please provide the following information:

Requestor Information and Statement

Full Name:
Office Address:
Email Address:
Daytime Phone Number:
Fax Number:
Please briefly provide the following information, with each section numbered as below.
  1. Statement of research hypothesis or purpose (2-3 sentences)
  2. Population(s) to be studied
  3. How did you learn about CNTRACs?

Student/Postdoc Status

I am a student.
I am a post-doctoral fellow.
I am neither a student nor a post-doctoral fellow.


Please read each term below and acknowledge that you have read it by clicking on the checkbox next to it.
I certify that I will only conduct research utilizing CNTRACs materials under the guidance and with the support of an Institutional Review Board or similar institution with specific protection for the rights of human subjects.
I certify that this request is being made by a qualified investigator.
I understand that no support will be provided for materials that are downloaded from this web site or provided in response to this request.

Task Software Selection

Updated Tasks (2021)

The following tasks have been updated to dynamically adjust image position based on screen resolution and are available for E-Prime versions 2 and 3 (exception: the AX-CPT is only available for E-Prime 3).

AX-CPT: AX Continuous Performance Task (description)
E-Prime 3 only
DPX: Dot Probe Expectancy Task (description)
E-Prime 2   E-Prime 3
JOVI: Jitter Orientation Visual Integration Task (description)
E-Prime 2   E-Prime 3
RISE: Relational and Item Specific Encoding Task (description)
E-Prime 2   E-Prime 3
Tasks Created in 2016 (E-Prime version 2)
Change Tasks (description)
EPILT (Pessiglione) Task (description)
IPILT (Pizzagalli) Task (description)
Reversal Task (description)
Running Span Task (description)
Original Tasks from 2010 (E-Prime version 1))
AX-CPT Task (description)
CCE: Contrast-Contrast Effect Task (description)

The original 2010 versions of DPX, JOVI, and RISE may be found here.