Metode Penelitian Eksperimen

Summary

In this educational video, the speaker introduces experimental research methods, particularly within the context of education. The focus is on explaining various research designs, including pure experimental research, quasi-experimental research, and pre-experimental designs. Examples such as the one-group pretest-posttest design and the true experimental design with control groups are discussed, illustrating their application in studying the effects of educational methods and treatments. The video provides a clear and accessible explanation for students, especially those conducting research in the field of education, making complex concepts easy to understand.

Takeaways

• 😀 Experimentation in research involves giving different treatments to two groups and studying the effects of those treatments.
• 😀 Experimental research can be applied in various fields, including education, where it can test teaching methods, media, and learning materials.
• 😀 There are two main types of experimental research: pure experimental research and quasi-experimental research.
• 😀 Pure experimental research typically involves testing on objects or animals, usually conducted in a lab environment.
• 😀 Quasi-experimental research focuses on human subjects and is usually conducted outside of a laboratory setting, such as in educational settings.
• 😀 Pre-experimentation designs include three types: one-shot case study, one-group pretest-posttest, and intact group comparison.
• 😀 The one-shot case study involves applying a treatment to one group and observing the results without any control group.
• 😀 The one-group pretest-posttest design involves measuring the group before and after the treatment to observe changes.
• 😀 The intact group comparison design splits a class into two groups: one experimental group receiving treatment and one control group without treatment.
• 😀 The post-test only control design involves two random groups: one experimental group with treatment and one control group without treatment, comparing results after the treatment.

Q & A

What is the core concept of experimental research in education?

The core concept of experimental research in education involves applying different treatments to two groups and studying the effects of those treatments. The goal is to understand how specific variables, such as teaching methods or media, influence outcomes like student motivation or performance.

What are the two main types of experimental research mentioned?

The two main types of experimental research mentioned are pure experimental research (involving animals or objects, typically conducted in labs) and quasi-experimental research (involving humans, usually conducted outside of labs, such as in educational settings).

What is the difference between a pure experiment and a quasi-experiment?

A pure experiment involves subjects such as animals or objects and is typically carried out in a controlled lab setting. In contrast, a quasi-experiment involves human subjects and is often done outside of a controlled lab environment, making it more applicable to real-world educational research.

What is the 'one-group pretest-posttest design'?

The one-group pretest-posttest design involves giving a pretest to a group before the treatment or intervention, then applying the treatment, and finally administering a posttest to measure changes or effects in the group’s performance or behavior.

What is the main advantage of the 'one-group pretest-posttest design'?

The main advantage of the one-group pretest-posttest design is its simplicity. It allows researchers to measure changes within the same group before and after an intervention, making it a straightforward method to gauge the impact of a specific treatment.

What is the 'intact group comparison design'?

The intact group comparison design involves dividing one group into two smaller groups: an experimental group that receives the treatment, and a control group that does not. Researchers then compare the outcomes between the two groups to assess the effect of the treatment.

How does the 'posttest-only control design' work?

In the posttest-only control design, two groups are selected at random. One group receives the treatment (experimental group), and the other does not (control group). Afterward, the outcomes of both groups are compared to evaluate the effects of the treatment.

What is the key difference between 'pretest-posttest control group design' and the other designs?

The key difference in the pretest-posttest control group design is that both groups (experimental and control) are given a pretest before the treatment. After the treatment is applied, the posttest is given to both groups, and the changes are compared to determine the treatment's effect.

What is the 'time-series design' in quasi-experimental research?

The time-series design is a quasi-experimental approach where researchers collect data over several time points before and after the intervention. This helps track changes over time to identify the effects of the treatment.

What are the advantages and disadvantages of using a quasi-experimental design in educational research?

The advantages of quasi-experimental designs include their applicability to real-world settings, especially in educational research where random assignment is not always feasible. However, a key disadvantage is that they lack the control and random assignment of true experiments, which can limit the ability to draw definitive causal conclusions.