Learning in Adulthood. Sharan B. Merriam

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of our daily conversations. Those of us who teach students at a distance may need to log in to a learning management system (LMS) such as Blackboard, Schoology, Canvas, or Brightspace. We access our LMS from our computer. There is no more apt metaphor for reflecting the rate of technological change than the computer. Sometimes the computer requires that we install software and then we have to reboot our computer for it to take effect. We process students and information; we plan learning activities with an eye to inputs, flow, and outputs; we provide feedback to individual learners and to programs. Indeed, we program learning experiences and ourselves. Technology has had an enormous impact on society and adult learning. It has been instrumental in bringing about the information society, which has created new jobs and eliminated others. And as we have seen, globalization is technology driven.

      Concurrent with these technological advances has been an information explosion. There are “2.5 quintillion bytes of data created each day” and “90 percent of the data in the world was generated in the last 2 years” (Marr, 2018, para. 1). Data center storage capacity was about 1,450 exabytes worldwide with researchers predicting that storage capacity will be 2,300 exabytes by 2021 (Taylor, C. 2018). One exabyte is one million gigabytes. In this information-rich society, there is an increasing need for continuing education and for learning how to ask good questions and assess the veracity of the information.

      Technology has changed where data is stored. At one time, information was stored on punch cards that programmed everything from player pianos to textile looms (Foote, 2017). By the late 1800s, data was stored on phonograph records and on film (History of Online Storage, 2017). Storing computer data on magnetic tape occurred in the 1950s (History of Online Storage, 2017). In the last 30 years we have seen floppy disks give way to 3.5-in. disks, to CD-ROMs, to jump or flash drives and cloud storage, which allows individuals to store data remotely and access it through the Internet.

      A major societal shift, such as moving from an industrial to an information society, results in profound changes in the society's structure. In an industrial society, machine technology extended physical ability; in an information society, computer technology extends mental ability. Material wealth has great value in an industrial society; knowledge and information are key assets in an information society. The social structure changes from hierarchies and bureaucracies to multicentered and horizontal networks. These changes in society's underlying structure can be seen most dramatically in changes in the workforce. As noted earlier, the shift is eliminating certain classifications of work while creating others not previously dreamed of. For example, with the rise of Internet travel sites, fewer travel agents are needed (U.S. Bureau of Labor Statistics, 2019b). However, software developers are predicted to be in increasing demand (U.S. Bureau of Labor Statistics, 2019a).

      Yet others have cautioned against the unquestioning adoption of technology in the workplace, for information technologies have created something of a paradox. Designed to get work done more efficiently by fewer employees, information technologies have instead offered more ways to communicate, increased the demand for information, and raised the level of expectations regarding the print and graphic presentation of material. Think of the volume of mail one now handles through e-mail; this technology seems to have increased our workload and expectations of timely responses.

      Technology's pros and cons are also evident in life beyond work. Respondents to a Pew Research survey noted that advantages of the living in the information age include having knowledge at your fingertips to live a better life in addition to having access to an array of services at the click of a mouse (Anderson & Rainie, 2018). Those who see the digital world as potentially dangerous to our well-being cite information overload as resulting in stress, anxiety, and depression. They state this information overload can negatively affect individuals' analytical thinking and memory (Anderson & Rainie, 2018).

      Simultaneous with the development of technologically sophisticated delivery systems is the development of new roles for educators and trainers. Although the “digital divide” has referred to those who can and cannot access technology, it can also refer to those who cannot use technologies effectively (Wei & Hindman, 2011). With smartphone use growing, more individuals can access the Internet, but possessing digital literacy skills such as knowing how to effectively search for and evaluate information or send effective e-mails, texts, and video images is also necessary in the twenty-first century (Rosen & Vanek, 2017).

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