Groups of individuals can sometimes make more accurate judgments than the average individual could make alone. We tested whether this group advantage extends to lie detection, an exceptionally challenging judgment with accuracy rates rarely exceeding chance. In four experiments, we find that groups are consistently more accurate than individuals in distinguishing truths from lies, an effect tha...

The use of collaborative classroom interactional tasks is on the rise recently since they incorporate the negotiation of meaning and thus they may be regarded as one of the most efficient ways to ease a learner’s focus on form. This study investigated the immediate and long-term effects of reconstruction editing task on the learning of 20 academic vocabulary items through using five reconstruct...

A key guidance factor of computer supported collaborative learning (CSCL) is the specification of a discussion task. Aspects of the discussion task may affect the quality of group discussion for higher-order learning. This experiment investigated the effects of two aspects of discussion task on asynchronous text discussion of an online higher-education course. Groups completed discussion assign...

One of the most difficult aspects of deriving an information management plan for a large knowledge based enterprise is to determine what information people require to do their various tasks as well as help them expand and update their existing knowledge. Achieving this goal can be time consuming. To speed up and yet effectively define information needs, an electronic survey tool was designed to...

Background & aim: Considering the important role of exclusive breastfeeding in the first six months of birth and its relation with sociocultural beliefs, this study was conducted to explore the factors affecting exclusive breastfeeding in the first six months of birth in women residing in Neyshabour, Iran. Methods:</stro...