1 citations · 1 across the 4 of their papers we have counts for
4 papers
Does it matter which search engine is used? A user study using post-task relevance judgments
Sebastian Suenkler, Dirk Lewandowski
The objective of this research was to find out how the two search engines Google and Bing perform when users work freely on pre-defined tasks, and judge the relevance of the result…
An Empirical Investigation On Search Engine Ad Disclosure
Dirk Lewandowski, Friederike Kerkmann, Sandra Ruemmele +1
This representative study of German search engine users (N=1,000) focuses on the ability of users to distinguish between organic results and advertisements on Google results pages.…
Credibility in Web Search Engines
Dirk Lewandowski
Web search engines apply a variety of ranking signals to achieve user satisfaction, i.e., results pages that provide the best-possible results to the user. While these ranking sign…
Ordinary Search Engine Users Carrying Out Complex Search Tasks
Georg Singer, Ulrich Norbisrath, Dirk Lewandowski
Web search engines have become the dominant tools for finding information on the Internet. Due to their popularity, users apply them to a wide range of search needs, from simple lo…