In this role, you will:

• write computer R code for different types of fixed-length CAT and related techniques, including item response theory-based CAT, latent class-based CAT, multi-stage testing, and stochastic curtailment;

• investigate the statistical properties of different types of fixed-length CAT and related techniques, and publish the results in a top-tier psychometric journal;

• assist in the integrating different types of fixed-length CAT into online survey tools. This includes advising on the type of fixed-length CAT that should be implemented and supporting the implementation itself.

We are looking for an enthusiastic researcher:

• with a master’s degree in the behavioural sciences, specialized in psychometrics;

• with at least two year experience in programming in R;

• experienced in various types of CAT and related techniques;

• with strong academic skills, preferably demonstrated by a first-author academic publication on CAT in an English-language journal;

• who is available to start immediately, given the short duration of the project.

• We offer an fixed-term employment contract for 7.6 hours per week until August 31, 2026. 

• A role in which initiative and input are highly valued;

• An enthusiastic and welcoming team that is open to new colleagues and enjoys computers, research methods, and statistics;

• An inspiring academic and international work environment in the heart of Amsterdam.