In the Hierarchical Edge Bundle, categories are coded with different colors, as shown in Fig. 2, and terms are grouped all around a circle and linked depending on their cooccurrences in the same tweet.Observing the Bubble Chart evolution, it is possible to note how the terms with a highest relevance are mostly contained in the specific categories of emergency, evacuation, hashtags and place.

The collected data was analyzed using a path analysis technique utilizing PLS Graph software. Path analysis is a regression-based technique that examines causal relationships between multiple, interrelated constructs], each of which is represented by a single-item measure or an aggregated measure.

Audio-recorded data were transcribed and then translated from the local languages to Amharic and then into English. Senior researchers read the transcripts and identified emerging themes, and codes.Coded transcripts using: Atlas.ti7 ( Thematic analysis

Simulation

Econometric models known as discrete-choice models to infer from individuals' choices their evaluation, perception and prioritization of different attributes that contribute to their navigational decisions.

expert review method

Statistical Package for the Social Sciences (SPSS ® ) 21.0t-test

gigabytes of audio datamanually converted to textdialogue exchanges (i.e., utterances) were segmented manually based on topicThis information is passed to the TAID system

Statistical analysis was performed using the “R” statistics package Version 2.10.1

Manual analysis