Get ResearchKit Active Tasks for Android Mobile Research Study Apps on Appbakery

The ResearchKit™ framework includes a number of predefined tasks called Active Tasks. Active tasks invite users to perform activities under partially controlled conditions while iPhone sensors are used to collect data. For example, an active task for analyzing gait and balance might ask the user to walk a short distance, while collecting accelerometer data on the device. Active tasks fall into six categories: motor activities, fitness, cognition, voice, audio, and hand dexterity.

The Appbakery team at TrialX is working round the clock to make these active tasks available on android. Using ResearchDroid (Android port of ResearchKit developed by Applied Informatics), the team has successfully made four of the active tasks android compatible.

Tapping Speed

In the tapping task the user rapidly alternates between tapping two targets on the touch screen. The resulting touch data can be used to assess basic motor capabilities such as speed, accuracy, and rhythm.

The screenshots below show an example of a tapping speed task.

 

 

 

 

Stroop Test

In the Stroop test, the participant is shown a series of words that are displayed in color, and must select the first letter of the color’s name. This test measures selective attention by asking participants to focus their attention on one stimulus and ignore another.

The screenshots below show an example of a Stroop test active task.

stroop test on android

researchkit on android

stroop test researchkit 

 

 

 

Range of Motion Test

In the range of motion test, participants follow movement instructions while accelerometer and gyroscope data is captured to measure flexed and extended positions for the shoulder or knee. Doctors use Goniometer, but we can put our mobiles to our knees and joints to detect range of motion. This test lets you measure both the flexed and extended positions for the shoulder and knee. When participants are ready with their device in the proper position they can simply tap the screen to indicate they are ready to proceed. As users complete the test, data from the accelerometer and gyroscope is recorded.

The screenshots below show examples of range of motion tasks for knee.

range of motion active task

active task researchkitresearchkit on android

 

 

 

 

 

 

 

 

 

Spatial Memory

In the spatial memory task, the user is asked to observe and then recall pattern sequences of increasing length in a game-like environment. The task collects data that can be used to assess visuo-spatial memory and executive function. The span (that is, the length of the pattern sequence) is automatically varied during the task, increasing after successful completion of a sequence, and decreasing after failures, in the range from minimum Span to maximum Span. The game finishes when either maxTests tests have been completed, or the user has made maxConsecutiveFailures errors in a row.

The results collected are scores derived from the game, the details of the game, and the touch inputs made by the user.

The screenshots below show an example of a spatial memory task.

 

 

 

 

 

 

 

 

 

 

 

Stay tuned! for updates as we add more active tasks for the Android mobile research study apps.

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Priya Menon

Priya is Scientific Media Editor at Applied Informatics/TrialX. She hosts and manages CureTalks, an internet radio talk show on healthcare which brings together experts and people on the same platform engaging in ‘Discussions for Solutions’. She holds masters in Microbiology, degrees in Patent Law, Media Law, and certifications in Writing in Sciences from Stanford University, Content and Marketing from Hubspot Academy and HR Management from IIM Bangalore, India. She has extensive writing experience with a focus on cancer research, nutrition, and alternative therapies and presents a varied view on healthcare and associated domains. She is also a guest columnist at The Week.