Add DOI and data set citation to README

README.md

@@ -1,3 +1,5 @@
+[![DOI](https://img.shields.io/badge/doi-10.5281/zenodo.23589203-blue.svg?)](http://dx.doi.org/10.5281/zenodo.23589203)
+
 Longitudinal Dataset of Psychological Variables Influencing AI Perception and Usage
 ====================================================
 
@@ -32,16 +34,14 @@ individual factors connected to it.
 > Henestrosa, A., Anders, G., Ehrhardt, N., Faller, A. C., Hampel, N., Ivan, I.
 > V., Klein, S. H., Luther, T., Prentice, M., Sarigül, B., Utz, S., &
 > Wickelmaier, N. (2026). Longitudinal dataset of psychological variables
-> influencing AI perception and usage. OSF.
-> https://doi.org/10.31234/osf.io/qdfeg_v1
+> influencing AI perception and usage [Data set].
+> http://dx.doi.org/10.5281/zenodo.23589203
 
-
-## Project status
+## Project status (2026-10-23)
 
 - Data collection is finished
 - Data analysis for several work packages in progress
 
-
 ## Contributors
 
 - Anna Christina Faller, a.faller@iwm-tuebingen.de
@@ -57,10 +57,9 @@ individual factors connected to it.
 - Teresa Luther, t.luther@iwm-tuebingen.de
 - Nora Wickelmaier, n.wickelmaier@iwm-tuebingen.de
 
-
 ## Waves
 
-The waves were collectec over the following dates:
+The waves were collected over the following dates:
 
 * Wave 1: 2024-09-03
 * Wave 2: 2024-11-06 - 2024-11-21
@@ -69,7 +68,6 @@ The waves were collectec over the following dates:
 * Wave 5: 2025-05-07 - 2025-05-20
 * Wave 6: 2025-07-02 - 2025-07-18
 
-
 ## ChatGPT versions during data collection
 
 * May 2024: ChatGPT with GPT-3.5
@@ -79,7 +77,6 @@ The waves were collectec over the following dates:
 
 Source: https://en.wikipedia.org/wiki/ChatGPT#Model_versions
 
-
 ## Folder structure and files
 
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