RB Series Response Pads
The current USB-based, RB-x40 models represent the fifth generation of response pads in this series. All the improvements are based on customer feedback. The result is high quality, ergonomic, and practical response pads that are compatible with all major stimulus presentation packages
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Cedrus RB Series Response Pads
Ergonomic, Practical, and Compatible Response Pads
World’s Most Popular
The RB Series response pads’ popularity continues to grow, for a reason. Or three. Continually improved since 1993, the current RB-x40 models represent the fifth generation of response pads in this series. Among its features:
Wide Application Support
Compatible with SuperLab, E-Prime, Presentation, and others (see below)
Library Support
Open source C++ and Python libraries available
Replaceable Key Tops
Customize the response pad for any experiment (see below)
Built-In I/O
It’s like getting a free I/O device that can send 8 bits of TTL output.
USB
Compatible with Mac OS and Windows. Linux support available from third party.
Light Sensor Support
Record precisely the onset of visual stimuli and even have it reset the built-in timer.
Key Layouts for Different Applications
One size does not fit all, our users told us. So we offer different models based on their feedback.
RB-740
The most popular and general purpose model, suitable for Likert scale, yes/no, and other types of experiments.
RB-840
Ergonomic, allows eight fingers at the same time to be resting on keys.
RB-540
Designed for experiments that involve spatial orientation.
RB-844
Kids love the big buttons, as do older participants. Also suitable for experiments involving spatial orientation.
Why Use a Response Pad?
A keyboard works, but a response pad works way better.
| Better Timing Resolution
The RB Series response pads offer 2-3 millisecond reaction time resolution. By contrast, USB keyboards’ resolution is around 10 to 12 milliseconds, and PCs using PS2 keyboards have a resolution between 20 and 35 milliseconds. |
Simpler
The 100+ keys found on keyboards confuse participants. Reaction time data is not useful if they spend time looking for the right key. Simplicity means better quality RT data. |
Customizable
Replaceable key tops make it even simpler and easier for participants to follow instructions (e.g. press green key if correct) and further improves the quality of collected reaction times. |
Replaceable Key Tops
This remarkable and unique feature gives you, the investigator, new ways to customize the response pad for your particular experiment. Use all four colored tops in a Stroop experiment, or use the red and green tops to simplify instructions to participants, e.g. “press the green key if faces are the same, red if they are not”.
You can even display your instructions, literally, on the response pad. Print any text or graphic, on plain white or colored paper, and insert it under a clear top.
The tops can be removed without a tool. Every model includes red, green, blue, yellow, and clear tops for all keys except the round button on the RB-530.
Extensive Software Support
Applications |
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| SuperLab Published by Cedrus; built-in support |
EyeLink Experiment Builder Built-in support |
| E-Prime Response pad emulates a PST Serial Response Box |
Presentation Cedrus provides a plug-in for Presentation |
| VSG By Cambridge Research Systems; built-in support |
PsyToolkit Linux open source library by Dr. Gijsbert Stoet |
| Inquisit Built-in support |
Paradigm By Perception Research Systems |
Libraries |
| The commands that the response pads accept are public. Cedrus publishes and maintains Python and C++ code libraries.
Matlab support can also be found on the Internet. |
Shipped Complete
| The response pad model of your choice includes:
White key tops, pre-installed Between 5 and 8, depending on model Clear key tops to cover all keys Except for center round button on RB-530 1 red, 1 green, 1 blue and 1 yellow key tops USB cable Linux open source library by Dr. Gijsbert Stoet Free wrist pad (pictured) For even more participant comfort and less fatigue in long experiments
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