Research finds Twitter app in the classroom increases involvement

WEST LAFAYETTE, Ind. — A pilot study of a new technology that lets students use Twitter and text messages during and after class has found that it increases student engagement and is used more often by higher-performing students.

The technology, called Hotseat, was developed by Purdue University in 2009 to increase student engagement in large lecture classes. The application allows students and instructors to use smartphones or laptop computers to send messages during or after class. Other students can vote to rank the messages and respond to the discussion.

Screenshot of Hotseat

Hotseat, a tool that lets Purdue students join classroom discussions via Twitter, Facebook or text message, is most used by students who receive high grades, a research study shows. The study looked at how more than 2,000 students in four courses used the new technology. Students who use Hotseat can vote for messages, reply to them, or share them with others. (Purdue University image)

Hotseat was tested in a pilot study during the spring 2010 semester. During the study, more than 2,000 students sent more than 38,000 messages using Hotseat. Classes using Hotseat included courses in family development, finance, human sexuality and biology.

The research results were presented at the Educause conference in Anaheim, Calif., and published in the latest edition of Educause Quarterly, and can be read online at

Kyle Bowen, director of informatics at Purdue and lead developer of the tool, says some professors use Hotseat to foster discussion during their lectures, and others use it for discussions following class.

“It can give professors real-time feedback during a lecture, or they can use it to answer common questions after class,” Bowen says. “Either way, the professors we’ve talked to say knowing what questions the students have has been very valuable.”

Unlike a regular Twitter account, the Hotseat discussions are restricted to just students enrolled in the class and the instructors leading the course. Students may post anonymously – 53 percent of the students in the pilot study chose this option – but who is actually posting is known to the instructor.

“This prevents ‘content grenades,’ where a student intentionally tries to get the discussion off course,” Bowen says.

Instructors also receive analytic data about how much students are posting and when.
An app for smartphones allows students to join in classroom discussions at Purdue via Twitter, Facebook or by sending text messages. The app, called 'Hotseat,' is most often used by high-performing students, according to newly released results of the pilot test study. (Purdue University image)

The research found that in two of the three classes the students sending messages the most were those receiving As, the students sending the second-most number of messages received Bs and so on, with students receiving the lowest grades sending the fewest messages. In the other course examined, students who received Bs sent the most messages.

“Hotseat use tracks with the level of student engagement, and our survey found that it increases student engagement in the classes,” Bowen said.

Hotseat segregates messages into those that are the most recent, which are labeled “fresh”; the most popular, which are labeled “hot”; and those that are the most discussed, labeled “deep.”

The interaction changes the experience of a large lecture class, says Hans Aagard, senior educational technologist at Purdue.

“Hotseat gives students in large lectures an active role in the class instead of sitting and listening passively,” Aagard said. “We know that active learning is an important component to student success in these settings.”

During the pilot study, students could only respond to Hotseat by sending Twitter or Facebook messages, or by logging into the Hotseat website. For this academic year, students can also send text messages to Hotseat.

Purdue has made Hotseat available to other institutions via the educational software site

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