ما هو التعليم بالاستقصاء

اذكر الخطوات الثلاث الأساسية التي يستخدمها العلماء عند تصميم استقصاء لحل مشكلة ما

Fatal error: Uncaught ErrorException: md5_file(/home/jnyhnews/public_html/wp-content/litespeed/css/5910829fceb8ca3be9564bcf2600e1ef.css.tmp): failed to open stream: No such file or directory in /home/jnyhnews/public_html/wp-content/plugins/litespeed-cache/src/optimizer.cls.php:140 Stack trace: #0 [internal function]: litespeed_exception_handler() #1 /home/jnyhnews/public_html/wp-content/plugins/litespeed-cache/src/optimizer.cls.php(140): md5_file() #2 /home/jnyhnews/public_html/wp-content/plugins/litespeed-cache/src/optimize.cls.php(837): LiteSpeed\Optimizer->serve() #3 /home/jnyhnews/public_html/wp-content/plugins/litespeed-cache/src/optimize.cls.php(330): LiteSpeed\Optimize->_build_hash_url() #4 /home/jnyhnews/public_html/wp-content/plugins/litespeed-cache/src/optimize.cls.php(264): LiteSpeed\Optimize->_optimize() #5 /home/jnyhnews/public_html/wp-includes/class-wp-hook.php(324): LiteSpeed\Optimize->finalize() #6 /home/jnyhnews/public_html/wp-includes/plugin.php(205): WP_Hook->apply_filters() #7 /home/jnyhnews/public_htm in /home/jnyhnews/public_html/wp-content/plugins/litespeed-cache/src/optimizer.cls.php on line 140