EXPERIMENTAL DESIGNS Meaning and
Definition
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Experimental designs refer to systematic plans or strategies that researchers employ to investigate the cause-and-effect relationship between variables. These designs involve the manipulation and control of independent variables to determine their impact on dependent variables. The aim of experimental designs is to provide a rigorous and reliable approach to studying phenomena and assessing the effectiveness of interventions or treatments.
One commonly used type of experimental design is the true experimental design, which typically involves the random assignment of participants to different groups. In this design, one group is exposed to the independent variable (the treatment or intervention) while the other group serves as a control and does not receive the treatment. By comparing the outcomes between the treatment and control groups, researchers can determine whether the independent variable had a significant effect on the dependent variable.
Another type of experimental design is the quasi-experimental design, which lacks random assignment of participants to groups. This type of design is often used when random assignment is not feasible or ethical. In quasi-experimental designs, researchers attempt to control for other factors that may influence the outcome to establish a cause-and-effect relationship.
Experimental designs are characterized by their ability to establish causal relationships between variables, as they involve the manipulation and control of independent variables. They provide researchers with a systematic and rigorous approach to studying phenomena and allow them to draw conclusions about the effectiveness of interventions or treatments. Experimental designs are widely used in fields such as psychology, medicine, and education to investigate hypotheses, test theories, and guide evidence-based practice.
Common Misspellings for EXPERIMENTAL DESIGNS
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Etymology of EXPERIMENTAL DESIGNS
The term "experimental designs" can be broken down into two parts to understand its etymology:
1. Experimental:
The word "experimental" is derived from the Latin word "experimentum", meaning a test, trial, or experience. This Latin word is derived from the verb "experiri", which means "to try, test, or experience". Over time, this Latin root evolved into the English word "experiment". In the context of research and methodology, "experimental" refers to something that involves planned, systematic, and controlled actions to observe or test specific hypotheses.
2. Designs:
The word "designs" comes from the Middle English word "designen", which means to plan, intend, mark out, or define. It originated from the Old French word "desseign", which has similar meanings.
