ποΈ adaptive-vlat
A-VLAT is a short, adaptive visualization literacy test, which are built upon the existing static assessments VLAT.
ποΈ beauvis
BeauVis is a validated scale for assessing the aesthetic pleasure of visualizations. This library contains three components for the 3-, 4-, and 5-item versions of the BeauVis scale.
ποΈ berlin-num
The Berlin Numeracy Test is a psychometrically sound instrument that quickly assesses statistical numeracy and risk literacy. It contains 4 questions. This library contains four components, each is a question from the Berlin Numeracy Test. There are two sequences: a four-item sequence and a single-item sequence. The four-item sequence is the traditional Berlin Numeracy Test and contains all 4 questions. The single-item sequence is the single question version and contains only question 1.
ποΈ calvi
The Critical Thinking Assessment for Literacy in Visualizations (CALVI) library is a collection of visualizations and questions designed to assess the ability to interpret data visualizations. The library includes a variety of visualizations, such as line graphs, bar charts, and pie charts, along with corresponding questions that test the user's understanding of the data presented. The questions are designed to be challenging and require critical thinking skills to answer correctly.
ποΈ color-blindness
This library is the Ishihara color blindness test. Each component contains an image of an Ishihara plate. The meta attribute of each plate describe what normal vision people, red color blind people, green color blind people, and total color blind people see from this plate. The user is asked to identify the number or pattern in the image. The library also contains two sequences: a short test and a full test. The short test contains 4 components and the full test contains all 24 components.
ποΈ demographics
This is a library for demographic questions. It contains one component, demographics, with three questions: gender, age, and education.
ποΈ graph-literacy-scale
The Graph Literacy Scale is a 13-item instrument that measures peopleβs ability to understand common graphical formats, with a focus on health-related graphs. This library contains 13 components, each corresponding to a question of the Graph Literacy Scale. It also includes a sequence of all 13 components (the full Graph Literacy Scale).
ποΈ mic-check
This is a library for testing the microphone. It provides a component that listens to the microphone and only enables the next button when audio is detected.
ποΈ mini-vlat
Mini-VLAT is a short and effective measure of visualization literacy. Mini-VLAT has 12 questions and participants should answer each question within 25 seconds. This library contains 12 components. Each component contains one question of the Mini-VLAT. This library also contains a sequence of all 12 components (the full Mini-VLAT).
ποΈ nasa-tlx
The NASA-TLX is a widely used subjective workload assessment tool. It consists of six subscales: Mental Demand, Physical Demand, Temporal Demand, Performance, Effort, and Frustration. The NASA-TLX is designed to assess the perceived workload of a task and is commonly used in human factors and ergonomics research. We provide a component of the NASA-TLX itself, and a sequence that includes a source of load evaluation. The source of load evaluation is based on the pairwise weighting procedure described in the NASA-TLX manual.
ποΈ previs
PREVis allows you to quickly and reliably measure how readable people find a data visualization. There are 4 individual scales in PREVis, each measuring a particular dimension of perceived readability. This library includes four components, one for each individual scale, as well as a sequence containing all four scales (the full PREVis).
ποΈ quis
The Questionnaire for User Interaction Satisfaction (QUIS) is a measurement tool designed to assess a computer user's subjective satisfaction with the human-computer interface. The QUIS contains measures of overall system satisfaction and specific interface factors such as screen visibility, terminology and system information, learning factors, and system capabilities. This library includes six components, one for each individual dimension, as well as a sequence containing all dimensions.
ποΈ sam
The Self-Assessment Manikin (SAM) is a non-verbal pictorial assessment technique that directly measures the pleasure, arousal, and dominance associated with a person's affective reaction to a wide variety of stimuli. This library includes three components, one for each individual dimension, as well as a sequence containing all dimensions.
ποΈ screen-recording
This is a library for getting screen recording permissions and starting screen recording.
ποΈ smeq
The Subjective Mental Effort Questionnaire (SMEQ) is a single-item scale designed to measure perceived mental effort during a task. This library includes a single component, the SMEQ.
ποΈ sus
The System Usability Scale (SUS) is a 10-item questionnaire that measures perceived ease of use, perceived usefulness, and overall satisfaction with a system. The SUS has been widely used in usability studies and is considered a standard measure of usability. This library contains one component with 10 questions. The component is the full SUS questionnaire with 10 questions.
ποΈ test
This is a test library for testing the parser. It is unlikely to be useful for any other purpose.
ποΈ umux-lite
The UMUX-Lite is a two-item questionnaire derived from the original UMUX. It is designed for situations where testing time is limited, offering a brief yet reliable measure of perceived usability. The two statements assess how usable and easy to use you find the system, providing a quick indication of overall user experience quality.
ποΈ umux
The evaluation you're about to complete is the Usability Metric for User Experience (UMUX). The UMUX is a short, standardized usability questionnaire developed as a concise and conceptually similar alternative to the System Usability Scale (SUS). It includes four statements designed to assess how effective, efficient, and satisfying you find the system to use.
π οΈ virtual-chinrest
A library for visual calibration tasks including virtual chinrest (card size) and viewing distance calibration using blindspot tracking.
ποΈ vlat
Visualization Literacy Assessment Test (VLAT) is developed to measure users' ability to read, understand, and use data visualizations to solve problems. The VLAT consists of 12 data visualizations and 53 multiple-choice questions. This library contains 53 components, each corresponding to a question of the VLAT. It also includes a sequence of all 53 components (the full VLAT).