Notice: Use of undefined constant id - assumed 'id' in /export/web/virtual/www_tcet_unt_edu/weblibrary2/resources/docVariables.php on line 9 Notice: Undefined variable: current_subcat in /export/web/virtual/www_tcet_unt_edu/weblibrary2/resources/docVariables.php on line 32 Notice: Use of undefined constant linkurl - assumed 'linkurl' in /export/web/virtual/www_tcet_unt_edu/weblibrary2/resources/docVariables.php on line 36 Notice: Use of undefined constant linkurl - assumed 'linkurl' in /export/web/virtual/www_tcet_unt_edu/weblibrary2/resources/docVariables.php on line 37 Notice: Use of undefined constant linkurl - assumed 'linkurl' in /export/web/virtual/www_tcet_unt_edu/weblibrary2/resources/docVariables.php on line 37 Notice: Use of undefined constant category - assumed 'category' in /export/web/virtual/www_tcet_unt_edu/weblibrary2/resources/docVariables.php on line 40 Notice: Undefined variable: current_subcat in /export/web/virtual/www_tcet_unt_edu/weblibrary2/resources/docVariables.php on line 40 Notice: Undefined variable: current_subcat in /export/web/virtual/www_tcet_unt_edu/weblibrary2/resources/docVariables.php on line 41 Notice: Use of undefined constant category - assumed 'category' in /export/web/virtual/www_tcet_unt_edu/weblibrary2/resources/docVariables.php on line 45 Notice: Use of undefined constant note - assumed 'note' in /export/web/virtual/www_tcet_unt_edu/weblibrary2/resources/docVariables.php on line 52 Notice: Use of undefined constant note - assumed 'note' in /export/web/virtual/www_tcet_unt_edu/weblibrary2/resources/docVariables.php on line 52 Notice: Use of undefined constant linkurl - assumed 'linkurl' in /export/web/virtual/www_tcet_unt_edu/weblibrary2/resources/docVariables.php on line 36 Notice: Use of undefined constant linkurl - assumed 'linkurl' in /export/web/virtual/www_tcet_unt_edu/weblibrary2/resources/docVariables.php on line 37 Notice: Use of undefined constant linkurl - assumed 'linkurl' in /export/web/virtual/www_tcet_unt_edu/weblibrary2/resources/docVariables.php on line 37 Notice: Use of undefined constant category - assumed 'category' in /export/web/virtual/www_tcet_unt_edu/weblibrary2/resources/docVariables.php on line 40 Notice: Use of undefined constant note - assumed 'note' in /export/web/virtual/www_tcet_unt_edu/weblibrary2/resources/docVariables.php on line 52 Notice: Use of undefined constant note - assumed 'note' in /export/web/virtual/www_tcet_unt_edu/weblibrary2/resources/docVariables.php on line 52 Notice: Use of undefined constant linkurl - assumed 'linkurl' in /export/web/virtual/www_tcet_unt_edu/weblibrary2/resources/docVariables.php on line 36 Notice: Use of undefined constant linkurl - assumed 'linkurl' in /export/web/virtual/www_tcet_unt_edu/weblibrary2/resources/docVariables.php on line 37 Notice: Use of undefined constant linkurl - assumed 'linkurl' in /export/web/virtual/www_tcet_unt_edu/weblibrary2/resources/docVariables.php on line 37 Notice: Use of undefined constant category - assumed 'category' in /export/web/virtual/www_tcet_unt_edu/weblibrary2/resources/docVariables.php on line 40 Notice: Use of undefined constant note - assumed 'note' in /export/web/virtual/www_tcet_unt_edu/weblibrary2/resources/docVariables.php on line 52 Notice: Use of undefined constant note - assumed 'note' in /export/web/virtual/www_tcet_unt_edu/weblibrary2/resources/docVariables.php on line 52 Notice: Use of undefined constant linkurl - assumed 'linkurl' in /export/web/virtual/www_tcet_unt_edu/weblibrary2/resources/docVariables.php on line 36 Notice: Use of undefined constant linkurl - assumed 'linkurl' in /export/web/virtual/www_tcet_unt_edu/weblibrary2/resources/docVariables.php on line 37 Notice: Use of undefined constant linkurl - assumed 'linkurl' in /export/web/virtual/www_tcet_unt_edu/weblibrary2/resources/docVariables.php on line 37 Notice: Use of undefined constant category - assumed 'category' in /export/web/virtual/www_tcet_unt_edu/weblibrary2/resources/docVariables.php on line 40 Notice: Use of undefined constant note - assumed 'note' in /export/web/virtual/www_tcet_unt_edu/weblibrary2/resources/docVariables.php on line 52 Notice: Use of undefined constant note - assumed 'note' in /export/web/virtual/www_tcet_unt_edu/weblibrary2/resources/docVariables.php on line 52 Notice: Use of undefined constant linkurl - assumed 'linkurl' in /export/web/virtual/www_tcet_unt_edu/weblibrary2/resources/docVariables.php on line 36 Notice: Use of undefined constant linkurl - assumed 'linkurl' in /export/web/virtual/www_tcet_unt_edu/weblibrary2/resources/docVariables.php on line 37 Notice: Use of undefined constant linkurl - assumed 'linkurl' in /export/web/virtual/www_tcet_unt_edu/weblibrary2/resources/docVariables.php on line 37 Notice: Use of undefined constant category - assumed 'category' in /export/web/virtual/www_tcet_unt_edu/weblibrary2/resources/docVariables.php on line 40 Notice: Use of undefined constant note - assumed 'note' in /export/web/virtual/www_tcet_unt_edu/weblibrary2/resources/docVariables.php on line 52 Notice: Use of undefined constant note - assumed 'note' in /export/web/virtual/www_tcet_unt_edu/weblibrary2/resources/docVariables.php on line 52 Notice: Use of undefined constant linkurl - assumed 'linkurl' in /export/web/virtual/www_tcet_unt_edu/weblibrary2/resources/docVariables.php on line 36 Notice: Use of undefined constant category - assumed 'category' in /export/web/virtual/www_tcet_unt_edu/weblibrary2/resources/docVariables.php on line 40 Notice: Use of undefined constant note - assumed 'note' in /export/web/virtual/www_tcet_unt_edu/weblibrary2/resources/docVariables.php on line 52 Notice: Use of undefined constant note - assumed 'note' in /export/web/virtual/www_tcet_unt_edu/weblibrary2/resources/docVariables.php on line 52 Notice: Use of undefined constant linkurl - assumed 'linkurl' in /export/web/virtual/www_tcet_unt_edu/weblibrary2/resources/docVariables.php on line 36 Notice: Use of undefined constant linkurl - assumed 'linkurl' in /export/web/virtual/www_tcet_unt_edu/weblibrary2/resources/docVariables.php on line 37 Notice: Use of undefined constant linkurl - assumed 'linkurl' in /export/web/virtual/www_tcet_unt_edu/weblibrary2/resources/docVariables.php on line 37 Notice: Use of undefined constant category - assumed 'category' in /export/web/virtual/www_tcet_unt_edu/weblibrary2/resources/docVariables.php on line 40 Notice: Use of undefined constant category - assumed 'category' in /export/web/virtual/www_tcet_unt_edu/weblibrary2/resources/docVariables.php on line 45 Notice: Use of undefined constant note - assumed 'note' in /export/web/virtual/www_tcet_unt_edu/weblibrary2/resources/docVariables.php on line 52 Notice: Use of undefined constant note - assumed 'note' in /export/web/virtual/www_tcet_unt_edu/weblibrary2/resources/docVariables.php on line 52 Notice: Use of undefined constant linkurl - assumed 'linkurl' in /export/web/virtual/www_tcet_unt_edu/weblibrary2/resources/docVariables.php on line 36 Notice: Use of undefined constant linkurl - assumed 'linkurl' in /export/web/virtual/www_tcet_unt_edu/weblibrary2/resources/docVariables.php on line 37 Notice: Use of undefined constant linkurl - assumed 'linkurl' in /export/web/virtual/www_tcet_unt_edu/weblibrary2/resources/docVariables.php on line 37 Notice: Use of undefined constant category - assumed 'category' in /export/web/virtual/www_tcet_unt_edu/weblibrary2/resources/docVariables.php on line 40 Notice: Use of undefined constant note - assumed 'note' in /export/web/virtual/www_tcet_unt_edu/weblibrary2/resources/docVariables.php on line 52 Notice: Use of undefined constant note - assumed 'note' in /export/web/virtual/www_tcet_unt_edu/weblibrary2/resources/docVariables.php on line 52 Notice: Use of undefined constant linkurl - assumed 'linkurl' in /export/web/virtual/www_tcet_unt_edu/weblibrary2/resources/docVariables.php on line 36 Notice: Use of undefined constant linkurl - assumed 'linkurl' in /export/web/virtual/www_tcet_unt_edu/weblibrary2/resources/docVariables.php on line 37 Notice: Use of undefined constant linkurl - assumed 'linkurl' in /export/web/virtual/www_tcet_unt_edu/weblibrary2/resources/docVariables.php on line 37 Notice: Use of undefined constant category - assumed 'category' in /export/web/virtual/www_tcet_unt_edu/weblibrary2/resources/docVariables.php on line 40 Notice: Use of undefined constant category - assumed 'category' in /export/web/virtual/www_tcet_unt_edu/weblibrary2/resources/docVariables.php on line 45 Notice: Use of undefined constant note - assumed 'note' in /export/web/virtual/www_tcet_unt_edu/weblibrary2/resources/docVariables.php on line 52 Notice: Use of undefined constant note - assumed 'note' in /export/web/virtual/www_tcet_unt_edu/weblibrary2/resources/docVariables.php on line 52 Notice: Use of undefined constant linkurl - assumed 'linkurl' in /export/web/virtual/www_tcet_unt_edu/weblibrary2/resources/docVariables.php on line 36 Notice: Use of undefined constant linkurl - assumed 'linkurl' in /export/web/virtual/www_tcet_unt_edu/weblibrary2/resources/docVariables.php on line 37 Notice: Use of undefined constant linkurl - assumed 'linkurl' in /export/web/virtual/www_tcet_unt_edu/weblibrary2/resources/docVariables.php on line 37 Notice: Use of undefined constant category - assumed 'category' in /export/web/virtual/www_tcet_unt_edu/weblibrary2/resources/docVariables.php on line 40 Notice: Use of undefined constant note - assumed 'note' in /export/web/virtual/www_tcet_unt_edu/weblibrary2/resources/docVariables.php on line 52 Notice: Use of undefined constant note - 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assumed 'linkurl' in /export/web/virtual/www_tcet_unt_edu/weblibrary2/resources/docVariables.php on line 36 Notice: Use of undefined constant category - assumed 'category' in /export/web/virtual/www_tcet_unt_edu/weblibrary2/resources/docVariables.php on line 40 Notice: Use of undefined constant note - assumed 'note' in /export/web/virtual/www_tcet_unt_edu/weblibrary2/resources/docVariables.php on line 52 Notice: Use of undefined constant note - assumed 'note' in /export/web/virtual/www_tcet_unt_edu/weblibrary2/resources/docVariables.php on line 52 Notice: Use of undefined constant linkurl - assumed 'linkurl' in /export/web/virtual/www_tcet_unt_edu/weblibrary2/resources/docVariables.php on line 36 Notice: Use of undefined constant linkurl - assumed 'linkurl' in /export/web/virtual/www_tcet_unt_edu/weblibrary2/resources/docVariables.php on line 37 Notice: Use of undefined constant linkurl - assumed 'linkurl' in /export/web/virtual/www_tcet_unt_edu/weblibrary2/resources/docVariables.php on line 37 Notice: Use of undefined constant category - assumed 'category' in /export/web/virtual/www_tcet_unt_edu/weblibrary2/resources/docVariables.php on line 40 Notice: Use of undefined constant note - assumed 'note' in /export/web/virtual/www_tcet_unt_edu/weblibrary2/resources/docVariables.php on line 52 Notice: Use of undefined constant note - assumed 'note' in /export/web/virtual/www_tcet_unt_edu/weblibrary2/resources/docVariables.php on line 52 Notice: Use of undefined constant linkurl - assumed 'linkurl' in /export/web/virtual/www_tcet_unt_edu/weblibrary2/resources/docVariables.php on line 36 Notice: Use of undefined constant linkurl - assumed 'linkurl' in /export/web/virtual/www_tcet_unt_edu/weblibrary2/resources/docVariables.php on line 37 Notice: Use of undefined constant linkurl - assumed 'linkurl' in /export/web/virtual/www_tcet_unt_edu/weblibrary2/resources/docVariables.php on line 37 Notice: Use of undefined constant category - assumed 'category' in /export/web/virtual/www_tcet_unt_edu/weblibrary2/resources/docVariables.php on line 40 Notice: Use of undefined constant note - assumed 'note' in /export/web/virtual/www_tcet_unt_edu/weblibrary2/resources/docVariables.php on line 52 Notice: Use of undefined constant note - assumed 'note' in /export/web/virtual/www_tcet_unt_edu/weblibrary2/resources/docVariables.php on line 52 Notice: Use of undefined constant id - assumed 'id' in /export/web/virtual/www_tcet_unt_edu/weblibrary2/db.php on line 7 Notice: Use of undefined constant id - assumed 'id' in /export/web/virtual/www_tcet_unt_edu/weblibrary2/db.php on line 8 Notice: Use of undefined constant name - assumed 'name' in /export/web/virtual/www_tcet_unt_edu/weblibrary2/db.php on line 28 Notice: Use of undefined constant REQUEST_URI - assumed 'REQUEST_URI' in /export/web/virtual/www_tcet_unt_edu/weblibrary2/db.php on line 34 Notice: Use of undefined constant SERVER_NAME - assumed 'SERVER_NAME' in /export/web/virtual/www_tcet_unt_edu/weblibrary2/db.php on line 35 Notice: Use of undefined constant video_only - assumed 'video_only' in /export/web/virtual/www_tcet_unt_edu/weblibrary2/db.php on line 37 Notice: Use of undefined constant PHP_SELF - assumed 'PHP_SELF' in /export/web/virtual/www_tcet_unt_edu/edit/switch.php on line 2 Warning: Cannot modify header information - headers already sent by (output started at /export/web/virtual/www_tcet_unt_edu/weblibrary2/resources/docVariables.php:52) in /export/web/virtual/www_tcet_unt_edu/edit/switch.php on line 8 Notice: Use of undefined constant edit - assumed 'edit' in /export/web/virtual/www_tcet_unt_edu/edit/switch.php on line 16 Notice: Undefined index: edit in /export/web/virtual/www_tcet_unt_edu/edit/switch.php on line 16 Notice: Undefined variable: mainNav in /export/web/virtual/www_tcet_unt_edu/elements/head.php on line 3 Notice: Undefined variable: mainNav in /export/web/virtual/www_tcet_unt_edu/elements/head.php on line 5 Texas Center for Educational Technology (TCET) Warning: Cannot modify header information - headers already sent by (output started at /export/web/virtual/www_tcet_unt_edu/weblibrary2/resources/docVariables.php:52) in /export/web/virtual/www_tcet_unt_edu/elements/head.php on line 14 Notice: Undefined variable: subNav2 in /export/web/virtual/www_tcet_unt_edu/elements/head.php on line 16 Notice: Undefined variable: subSubNav2 in /export/web/virtual/www_tcet_unt_edu/elements/head.php on line 17
Texas Center for Educational Technology
WebLibrary
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Browse by:

Notice: Use of undefined constant title - assumed 'title' in /export/web/virtual/www_tcet_unt_edu/weblibrary2/resources/content.php on line 2 History of Educational Technology

Notice: Use of undefined constant ADAM_url - assumed 'ADAM_url' in /export/web/virtual/www_tcet_unt_edu/weblibrary2/adamSummary.php on line 4 Screen shot of video Notice: Use of undefined constant ADAM_url - assumed 'ADAM_url' in /export/web/virtual/www_tcet_unt_edu/weblibrary2/adamSummary.php on line 6

Notice: Use of undefined constant ADAM_url - assumed 'ADAM_url' in /export/web/virtual/www_tcet_unt_edu/weblibrary2/adamSummary.php on line 10 Stream ADAM
Download ADAM