The purpose of this study was to answer the question: how do children influence attraction choice while on vacation? A cross-sectional, self-administered, web-based survey of 99 adult facilitators visiting one of three tourist attractions in Winnipeg, Canada with at least one child between the ages of six and 17 was used to: 1) gain insight on how groups with a child/children prefer to travel; 2) understand the reasons why groups with a child/children choose to visit a select type of attraction; 3) examine the views of adult facilitators who travel with a child/children on the child/children’s participation with regards to the selection of tourist attractions; and 4) investigate which attraction characteristics adult facilitators believe provide their entire group with the most satisfying experience. Results indicate that children have relatively little direct influence within the family or group unit on attraction choice.

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Non-verbal cues to turn transitions are often studied in isolation from their linguistic substrate. It is argued that this produces a misunderstanding of the origin and action of 'turn-taking cues', and obscures the relationship of inter- actional process and switching style. A series of studies are presented which explore these issues utilising dialogues from three married couples. The pattern of switching styles in the interactions are described together with an examination of patterns of gazing and a content analysis of talk. The role of gaze in the regulation of turn transitions is evaluated with reference to Kendon's (1967) 'look-ups cue. The speed of speaker switching was found to be increased only where 'looking-up' arose in the context of low levels of gaze, with no change of gaze state prior to the look-up cue itself. Relationships between this cue and linguistic features of utterance endings were also noted. Further examination of this relationship is made through evaluation of the system of turn-yielding and maintaining cues proposed by Duncan (1972). Clause completion was found to be closely associated with the location of turn-taking attempts; other non-verbal cues tended to accompany this feature. Non- verbal behaviours were, however, important in differentiating (linguistically defined) intra- and inter-utterance boundaries. Relationships between strategy and turn taking style are explored; variations in the frequency and class of interruptions were found in different strategic states. The relationship of switching style to interactional meaning is discussed and the concept of cohesion introduced. This feature, which addresses, the textual continuity of talk, was found to be important to the perceived meaning of interruption sequences; the placement of interruptions either within or between boundaries in-the speakers talk did not exert a similar influence. Behavioural consequences of cohesion were also evident.

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This thesis discusses the design of three systems that were built using Critical Making as an investigative method. The systems are: an RFID antenna that links ISBNs to online metadata; metamash.org, which aggregates ISBN metadata; and doitag.org, which allows users to associate tags with DOI numbers. Each system was designed to interrogate issues related to identification, categorization and the institutional foundations of, and individual practices surrounding, information systems, providing levers to get at deeper ontological issues. Each investigation points in its own way to a profound lack of understanding about the ontology of digital, or hybrid material/digital objects. David Weinberger's ordering scheme for material and digital objects is used because it allows for a discussion of ordering systems in general. However, focusing solely on categorization systems masks more important questions about the ontology of such objects and how building and using such objects fundamentally defines what they are.