Monica
💫 Summary
La investigación científica es un proceso sistemático que genera nuevo conocimiento a través de la observación, establecimiento de hipótesis, experimentos y obtención de resultados verificables. Tiene características como la originalidad, objetividad, verificabilidad y uso de un método sistemático y controlado. Algunos ejemplos de investigaciones científicas incluyen los trabajos de Louis Pasteur, el descubrimiento de la estructura del ADN y la identificación del virus del rotavirus.
✨ Highlights📊 Transcript
La investigación científica es un proceso que genera conocimiento a través de la observación, establecimiento de hipótesis, experimentos y obtención de resultados.
00:00
La investigación científica sigue una serie de pasos bien estructurados.
Tiene características como la originalidad, objetividad y verificabilidad.
La originalidad se refiere a la novedad de la investigación en sus elementos.
La objetividad implica que los resultados no deben estar sesgados por juicios previos del investigador.
La verificabilidad permite que las conclusiones puedan ser comprobadas por otros investigadores o especialistas.
La investigación científica tiene características como la verificabilidad, la acumulación, la predictibilidad, el uso de un método sistemático y el control de variables.
02:50
La investigación científica es verificable cuando otro científico repite el experimento y obtiene los mismos resultados y conclusiones.
Se basa en investigaciones anteriores para acumular conocimiento.
Permite predecir eventos futuros a partir de los hallazgos obtenidos.
Utiliza el método científico, que es un procedimiento sistemático para minimizar influencias personales y subjetivas.
Se lleva a cabo de manera controlada, evitando el azar y siguiendo reglas y métodos definidos.
Las etapas de la investigación científica pueden incluir la observación como primer paso.
La investigación científica es la observación de un fenómeno, evento o problema, que se realiza a través de la formulación de preguntas, la elaboración de hipótesis, la experimentación y la evaluación de los resultados y conclusiones.
05:36
El investigador es una persona curiosa y observadora.
La observación del problema lleva a la formulación de preguntas.
La formulación de la hipótesis es una posible respuesta al fenómeno observado.
Las hipótesis son sometidas a procesos metodológicos y experimentales para determinar su veracidad.
Los resultados y conclusiones se analizan y se hacen públicos a través de presentaciones o publicaciones científicas.
La investigación científica permite a la humanidad un contacto más cercano con la realidad y ha ayudado a descubrir, analizar y combatir enfermedades importantes.
08:28
La investigación científica ha permitido descubrir y analizar enfermedades que han perjudicado a la humanidad.
Louis Pasteur es un ejemplo destacado de cómo la investigación científica ha llevado a importantes descubrimientos.
Gracias a la investigación científica, se han logrado importantes avances en la medicina y se han descubierto tratamientos para enfermedades.
La investigación científica se caracteriza por comenzar con eventos meticulosamente observados y progresar hacia la formulación de teorías y leyes.
11:04
Louis Pasteur verificó que los microorganismos se multiplican mediante la investigación científica.
Utilizó matraces de cuello de cisne para demostrar que los microorganismos no se forman espontáneamente dentro del caldo.
James Watson y Francis Crick descubrieron la estructura del ADN utilizando una serie de experimentos detallados.
Ruth Bishop identificó el rotavirus como el agente causal de la gastroenteritis en 1973.
00:00Scientific research is a process that generates knowledge from observation,
00:07establishment of hypotheses, conducting experiments and obtaining results.
00:13In other words, it is a previously planned study method that follows a series of well
00:21-structured steps.
00:22In this video we will explain the characteristics of scientific research, its stages
00:33or steps, why it is important and finally we will give you examples of scientific research.
00:37If you want to know more visit the links in the description.
00:40The first step of a scientific investigation is the question or question that arises from
00:45the observation, a phenomenon or event.
00:49For example: What substances stop the growth of bacteria on surfaces?
00:56The main objective of scientific research is to produce new knowledge;
01:01For this reason, the person (or researcher) who carries out this type of research is creative,
01:08has critical thinking and basic knowledge in the area they want to explore or learn about.
01:14Characteristics of scientific research Among the characteristics of
01:17scientific research, its systematic nature, the possibility of verifying its results
01:19and the objectivity of its procedures stand out.
01:20- It is original By originality we mean how novel
01:25the research is, that is, how new it is in some or all of its elements.
01:32For example: a scientific investigation can be original in the orientation of the
01:38problem, the materials or equipment used, the procedure or in the subjects on
01:44which the investigation is carried out.
01:46The greater the degree of originality of the project, the more scientific significance it
01:53can achieve.
01:54In conclusion, originality refers to the novel or innovative elements that
02:00the research intends to find with its results.
02:05- It is objective Scientific research must be objective
02:09and impartial to provide valid results.
02:12This implies that the results must not be biased, that is, they must not be influenced
02:20by the previous judgments of the researcher or by their subjective assessments.
02:25- It is verifiable The final conclusions obtained through
02:31scientific research can be verified at any time.
02:36That is, verifiability implies that all research, together with its conclusions
02:44, can be verified by another researcher or a group of specialists,
02:50which gives credibility to the findings obtained.
02:53We can take the example of an investigation whose results conclude that a type of
02:59substance, under certain conditions —such as concentration and exposure time—
03:05manages to eliminate bacteria from a metal surface.
03:09This research can only be considered verifiable if another scientist, under the same
03:15conditions, repeats the research and obtains the same results and conclusions.
03:23- It is cumulative Scientific research uses the
03:27findings of previous studies to sustain itself.
03:31In other words, researchers always use previous studies as the basis for
03:37their own work.
03:39In this way, scientific research is constituted in a series of findings that
03:44support each other.
03:48- It is predictive One characteristic is that the knowledge
03:53obtained through scientific research can predict what will happen at a
03:59given time.
04:00For example: when the behavior over time of an insect population is studied
04:06and it is observed that they are more abundant during the rainy season, it is possible to predict in
04:12which season of the year the insect will increase its population in a given region.
04:18- Use a systematic method One of the main characteristics of
04:26scientific research is the use of a systematic procedure called the
04:34scientific method.
04:35Through the rigor of this method, it is possible to minimize personal
04:41and subjective influences in the investigation.
04:45- Controlled A scientific investigation must avoid
04:49chance, and the process must be supported by control mechanisms that allow it to
04:54obtain truthful results.
04:57Chance has no place in scientific research: all actions and observations
05:04are controlled, according to the criteria of the researcher and according to the object investigated,
05:11through very well defined methods and rules.
05:15Process, stages in scientific research Scientific research may contain
05:22some or all of the following stages, which are developed successively:
05:30- Observation The first step in scientific research
05:36is the observation of a phenomenon, event or problem.
05:41For these reasons, the researcher is generally a curious and observant person.
05:47Likewise, the discovery of the phenomenon usually arises due to unexpected changes
05:52in the natural process of the event.
05:55- The problem The observation leads to the formulation
06:02of several questions: Why?
06:05How?
06:06When?
06:07This constitutes the formulation of the problem.
06:10The problem must be perfectly delimited in terms of certain basic characteristics
06:16of the phenomenon to be studied.
06:18For example: Why is the growth of the bacterium Staphylococcus aureus stopped
06:24by the fungus Penicilliun notatum?
06:28In addition to the formulation of the problem, the researcher must indicate the scope and probable
06:33contributions of the investigation.
06:36- Formulation of the hypothesis To answer the question elaborated in the
06:43problem, the hypothesis is formulated.
06:45This term refers to a statement that is presumed to be true, even though it
06:50has not been experimentally verified.
06:53Therefore, a hypothesis is an unproven truth.
06:59An example of a hypothesis would be: if the growth of the bacterium Staphylococcus aureus is contained
07:05by the fungus Penicilliun notatum, then this fungus produces a substance that prevents
07:11the growth of the bacterium.
07:14As seen in the example, the hypothesis is a likely response to the observed phenomenon.
07:20- Experimentation The hypotheses are subjected to methodological processes
07:27to determine their veracity or, on the contrary, establish their nullity and reject it.
07:35These experiments and processes are structured and rigorously controlled.
07:40- Evaluation of the results and conclusions All the results and evidence obtained
07:49are analyzed in order to respond to the problem posed.
07:54Then, the results and conclusions are made public through presentations
07:59at congresses, scientific meetings or published in journals.
08:04Importance Scientific research allows us to analyze
08:08and learn about different phenomena.
08:11In addition, due to the rigor of its methodology, conclusions, theories and laws are obtained
08:28that
08:50allow
09:03humanity a closer contact with
09:23reality.
09:30Likewise, thanks to scientific research
10:11, among other great discoveries, it has been possible to discover, analyze and defeat important diseases
10:34that have harmed humanity.
10:52Examples of Scientific Research - The Works of Louis Pasteur
11:00Louis Pasteur (1822-1895) is the best example of how scientific research
11:04begins with a meticulously observed event and progresses to the formulation
11:10of theories and laws; This researcher managed to verify, through scientific research,
11:18that microorganisms multiply.
11:21To prove this, Pasteur used gooseneck flasks.
11:26These glass containers have a very elongated upper part in the shape of an "S", which allows
11:32air to enter but prevents the passage of dust and other particles from the environment.
11:37Then, he filled two containers with meat broth, one with a swan neck and the other with a
11:44short neck; subsequently, he boiled both flasks to eliminate the microorganisms present
11:50in the broths.
11:52At the same time, Pasteur observed that the broth placed in the “S” shaped container remained
11:59intact, while the content in the short neck container easily decomposed.
12:06In this way Pasteur was able to demonstrate that the microorganisms did not form spontaneously
12:12inside the broth and that the decomposition of the broth in the container with a short neck was
12:17caused by microorganisms that were in the environment.
12:21- The discovery of the structure of DNA One of the most striking examples of
12:30the application of scientific research is the discovery of the structure of
12:35DNA.
12:37This finding was made by James Watson and Francis Crick.
12:42DNA is a molecule that is found in the nucleus of cells and is the carrier
12:46of the information necessary for the development and functioning of living beings.
12:53However, at the time of Watson and Crick the structure of this molecule was unknown.
12:59The researchers posed a question, what is the structure of DNA?
13:06They knew all the theoretical and experimental bases on the subject, and used them
13:12to carry out a series of exhaustive and detailed experiments.
13:18In this way, their experiments allowed them to conclude that the structure of DNA is similar
13:25to a spiral staircase that turns to the right.
13:29After 18 months of work, on April 2, 1953 Watson and Crick published their work
13:36in which the structure of the molecule is described in detail.
13:39- Identification of the virus that causes gastroenteritis, rotavirus
13:40Rotaviruses are viruses that cause intestinal infections (gastroenteritis) in
13:41children.
13:42They were discovered in 1973 in Australia by Ruth Bishop, when she was trying to figure out which
13:43was the causal agent of the disease in cases of gastroenteritis.
13:44Bishop, through meticulous observation and using the electron microscopy technique,
13:45was able to show the presence of the virus in biopsies of children hospitalized for
13:46gastroenteritis.
13:47Bishop published his finding in 1973.
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FAQs about This YouTube Video

1. What are the characteristics of scientific research?

Scientific research is characterized by its systematic, verifiable, and objective nature. It follows a systematic process, aims to produce verifiable results, and is conducted with objectivity and impartiality.

2. Why is scientific research important?

Scientific research is important because it produces new knowledge, generates theories and laws, and contributes to the advancement of various fields. It facilitates technological innovations and enhances our understanding of the world.

3. Can you provide examples of significant scientific research?

Certainly! Examples of significant scientific research include Louis Pasteur's work on microorganisms and the discovery of the structure of DNA. These breakthroughs have had a profound impact on medicine, biology, and genetics.

4. What is the significance of the systematic nature of scientific research?

The systematic nature of scientific research ensures that the process is well-structured, organized, and methodical, leading to reliable and replicable results. It enhances the credibility and reproducibility of scientific findings.

5. How does scientific research contribute to the development of new knowledge?

Scientific research contributes to the development of new knowledge by exploring uncharted territories, testing hypotheses, and challenging existing understanding. It broadens our understanding of natural phenomena and enhances intellectual growth.

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