Experimental Research Design

Experimental Research Studies, which are perhaps the most difficult to design and execute given their use of treatment and control groups. Unlike other research methods, researchers using Experimental Methods directly control one or more independent variables, control one or more other relevant variables, and observe the effect on one or more dependent variables.


Learning objectives

  • You can define the Experimental Research Method in terms of its key characteristics and in the way that it manipulates variables.
  • You can explain the purpose of treatment and control groups.
  • You can briefly describe internal and external validity as this applies to the Experimental Method.
  • You can describe the major steps in designing and conducting an Experimental Research Study (i.e., definition of the problem, selection of subjects, construction of tools, validation of tools, etc.).
  • You can describe the different kinds of Experimental Research Designs including (i) Pre-experimental Designs; (ii) Quasi-experimental Designs; and (iii) True Experimental Designs.
  • You can summarize the methods, results, and conclusions of selected Experimental Research Studies.
  • You can critique Experimental Research Studies using principles relating to data collection tools, sampling procedures, how they deal with non-response, the quality of the data analysis, and threats to experimental validity.
  • You can identify useful applications (i.e., identifying important issues in need of experimental investigation) of the Experimental Research method in Cambodia, being sure to justify the appropriateness of this method for the investigation of the issues that they identify.

Course Curriculum

Experimental Research Design
Pre-test on experimental research 00:10:00
What is experimental research design? 00:10:00
Design in Experimental Research 00:20:00
Steps in the Process and Data Analysis 00:15:00
Threat to Internal Validity 00:10:00
Threat to External Validity 00:05:00
Extraneous Variables 00:05:00
Online Discussion
Online Discussion with Trainees 02:00:00
Slide Presentation 00:00:00
Post test on experimental research 00:10:00

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នេះ​ជា​គេហទំព័រ​សម្រាប់​អ្នក​ដែល​ចង់​ស្វែងរក​វគ្គសិក្សា​នៅ​លើ​ប្រព័ន្ធ​អ៊ីនធឺណិត។ វគ្គសិក្សា​ទាំងអស់​ត្រូវ​បាន​យកចិត្តទុកដាក់ ទៅ​លើ​គុណភាព និង​តម្រូវការ​របស់​អ្នក​សិក្សា។ បន្ថែម​ពី​លើ​នេះ យើង​នឹង​ផ្ដល់​ជូន​ជា​ប្រចាំនូវ​ចំណេះដឹង​ថ្មីៗ ទាក់​ទៅ​នឹង​បច្ចេកវិទ្យា ការស្រាវជ្រាវ ក៏​ដូច​ជា​វិធីសាស្ត្រ​បង្រៀន។ ជាមួយ​នឹង​វគ្គសិក្សា និង​ចំណេះដឹង​ដែល​យើង​ផ្ដល់​ជូន យើង​សង្ឃឹម​ថា​អ្នក​នឹង​អភិវឌ្ឍ​ចំណេះ ជំនាញ​របស់​អ្នក​ឱ្យ​ស្រប​ទៅ​នឹង​យុគសម័យ​បច្ចេកវិទ្យា​នេះ។ ចាប់ផ្ដើម​ស្វែងរក​វគ្គ​ដែល​អ្នក​ចាប់​អារម្មណ៍ ចុះឈ្មោះ​ចូលរៀន និង​អាច​រៀន​បាន​គ្រប់​ពេលវេលា និង​គ្រប់​ទីកន្លែង។

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