Name: psychology research and the scientific method
Uploaded: 2024-08-29T22:13:36.000Z
Duration: 1 min 13 s
Channel: JoVE

K12 Standards

Florida Department of Education

High School

Nature of Science

SC.912.N.1

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Psychology as a Science

In psychology, researchers use scientific methods to understand the mind and behavior, focusing on evidence-based research as the foundation of knowledge.
The scientific method involves six key steps: making observations, formulating hypotheses, conducting tests, analyzing the results of the experiment, drawing a conclusion, and communicating the findings.
Research in psychology begins with observations, such as identifying stress levels among students during examinations by assessing their reported stress levels.
Based on these observations, researchers formulate a hypothesis that students who study consistently during the semester experience less stress than those who study intensively at the last minute before exams.
The third step involves testing this hypothesis by asking students about their study habits and perceived stress levels before exams.
The fourth step is to analyze the data to determine if there is any relationship between the study method and stress level.
The final step involves drawing a conclusion and communicating the findings.

psychology as a science

Psychology, as a scientific discipline, aims to understand the mind and behavior through rigorous and systematic methods. The foundation of psychological research is evidence-based, relying heavily on the scientific method to derive and validate knowledge. This structured approach ensures that findings are reliable, valid, and applicable to broader contexts.
The scientific method in psychology involves six critical steps: making observations, formulating hypotheses, conducting tests, analyzing results, drawing conclusions, and communicating findings. The process begins with careful observation, which lays the groundwork for further inquiry. For instance, researchers may observe that some students tend to get anxious during exams while others are calm and relaxed.
From these observations, researchers develop hypotheses. A plausible hypothesis might be that students who engage in consistent study habits throughout the semester experience less stress than those who cram at the last minute. This hypothesis sets the stage for empirical testing.
The testing phase involves collecting data relevant to the hypothesis. For example, researchers might survey students about their study habits and perceived stress levels before exams. This data collection is crucial as it provides the raw information needed to evaluate the hypothesis.
The next step is analyzing the data, wherein researchers employ statistical methods to discern patterns and relationships. In our example, analysis might reveal a correlation between consistent study habits and lower stress levels. This statistical examination helps determine whether the observed effects are significant or due to chance.
Upon completing the analysis, researchers draw conclusions based on the evidence. If the data supports the hypothesis, it suggests a meaningful relationship between study habits and stress levels. Conversely, if the data does not support the hypothesis, researchers must reconsider their assumptions and formulate new hypotheses.
The final step is communication. Researchers disseminate their findings through academic journals, conferences, and other platforms. This step is vital in advancing the knowledge, as it allows others in the field to review, replicate, and build upon the work. Effective communication ensures that valuable insights contribute to the broader understanding of psychological phenomena.
By adhering to the scientific method, psychology maintains its status as a robust and empirical science, continually evolving through systematic inquiry and evidence-based research.

In psychology, researchers use scientific methods to understand the mind and behavior, focusing on evidence-based research as the foundation of 
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Education

JoVE Core

Introduction to Psychology

Unit 1

An Introduction to Psychology

KEY TERMS AND CONCEPTS

psychology research and the scientific method

Psychology uses the scientific method to study the mind and behavior. It is an evidence-based field that depends on careful, systematic research. This approach helps make findings reliable, valid, and useful in more than one setting.

Psychological research follows six main steps. Researchers begin by making observations and noticing patterns in behavior. They then form a hypothesis, or a testable idea, before they conduct tests, analyze results, draw conclusions, and share what they found.

Observation comes first and gives researchers a starting point for new questions. For example, they may notice that some students feel anxious during exams while others stay calm. From that pattern, a researcher might predict that students who study steadily during the semester feel less stress than students who cram at the last minute.

The next step is testing the hypothesis with data. Researchers may survey students about their study habits and how stressed they feel before exams. This data collection provides the information needed to evaluate whether the idea is supported.

After the data is collected, researchers analyze it using statistics. Statistical methods help them look for patterns and relationships in the results. In the example from the transcript, the analysis might show a link between consistent study habits and lower stress levels. It also helps researchers judge whether the result is meaningful or could have happened by chance.

Researchers then draw conclusions from the evidence. If the data supports the hypothesis, it suggests a real relationship between study habits and stress. If it does not, they must rethink their assumptions and build a new hypothesis. The final step is communication, where findings are shared in journals, conferences, and other settings so others can review, repeat, and build on the work.

Psychology Research and the Scientific Method

psychology-research-and-the-scientific-method

defining psychology

Psychology and Human Behavior

Psychology studies human behavior and mental processes. It is a scientific discipline that looks at what people do and the internal experiences that help explain those actions. It also aims to improve well-being, solve practical problems, and support better outcomes in society. A key use of psychology is explaining prosocial behavior, such as why people help strangers in need. Psychologists may describe what they observe, predict when an action will happen, and explain why it occurs. For...

Psychology uses the scientific method to study the mind and behavior. It is an evidence-based field that depends on careful, systematic research. This approach helps make findings reliable, valid, and useful in more than one setting. Psychological research follows six main steps. Researchers begin by making observations and noticing patterns in behavior. They then form a hypothesis, or a testable idea, before they conduct tests, analyze results, draw conclusions, and share what they found. <br...

structuralism

Structuralism and the Introspective Mind

Structuralism was an early psychological theory that tried to break the human mind into its smallest parts. Wilhelm Wundt developed the laboratory work that helped shape the field, and his student Edward Bradford Titchener later defined structuralism more fully. He described the mind as having basic "atoms," such as sensations, images, and feelings, much like chemists identify elements in matter. Titchener used introspection to study these mental parts. Introspection is a method in which...

freudian psychology

Freud and the Unconscious Mind

Sigmund Freud was an Austrian neurologist born in 1856 who shaped psychology through his work on the unconscious mind. He studied patients with hysteria and neurosis, which are conditions with no clear physical cause. These cases led him to argue that hidden thoughts and feelings can affect behavior. Freud developed new ways to reach the unconscious. He used dream analysis, free association, and slips of the tongue to look for hidden motives and conflicts. In free association, a person says...

functionalism

Functionalism and the Purpose of Behavior

Functionalism in psychology focuses on the purpose of behavior and mental activity. William James, John Dewey, and Charles Sanders Peirce helped found this school of thought. It grew from Darwin’s theory of evolution by natural selection. Functionalists argued that traits develop because they help an organism adapt. Adaptation means a trait improves survival and reproduction in a given environment. From this view, thoughts, feelings, and behaviors are not just mental parts to be examined. They...

gestalt psychology

Gestalt Psychology and Perception

Gestalt psychology explains how people organize sensory information into meaningful patterns. It was founded by Max Wertheimer, Kurt Koffka, and Wolfgang Kohler. This school of thought focuses on perception as an organized whole, not as separate parts. Gestalt psychology developed as a response to Wilhelm Wundt’s structuralism. Structuralism tried to break experience into basic elements. Gestalt thinkers argued that perception is more than the sum of those parts. Their idea is often summed up...

behaviorism

Behaviorism and How Behavior Is Shaped

Behaviorism explains how observable behavior is shaped by the environment. It focuses on actions that can be seen and measured, rather than on private thoughts or feelings. This made psychology more scientific and more experimental. Early behaviorism was pioneered by Ivan Pavlov, John B. Watson, and B.F. Skinner. Their work helped shift psychology toward careful observation and controlled testing. Behaviorism argues that true scientific study should rely on evidence that can be recorded. <br...

humanistic psychology

Human Growth in Humanistic Psychology

Humanistic psychology focuses on human growth, choice, and the ability to improve. It emerged in the mid-20th century as a response to behaviorism and psychoanalysis, two approaches that were seen as too deterministic and pessimistic. Behaviorism emphasized observable behavior shaped by the environment. Psychoanalysis focused on unconscious motives. Both suggested that people had little free will. Humanistic psychology takes a different view. It emphasizes the innate potential for goodness...

cognitivism

Cognitive Psychology and the Mind

Cognitive psychology studies how the mind handles information. It focuses on perception, memory, thinking, and problem-solving. These mental processes help explain human behavior. The field became important in the mid-20th century. Before that, behaviorism shaped psychology and focused on observable actions. It gave little attention to mental processes. In the 1950s, psychology changed during the cognitive revolution. Researchers began to argue that behavior cannot be understood well without...

contemporary psychology

Psychology’s Main Branches

Psychology studies human behavior and mental processes through several major branches. Each branch looks at the mind from a different angle. Together, they help explain complex behavior in people. Biopsychology, also called biological psychology or behavioral neuroscience, studies the biological roots of behavior and mental processes. It connects brain structure and function to behavior. Researchers in this field examine neural responses to stress, the effects of brain damage, and the...

key terms and concepts

Learn how psychology uses observations, hypotheses, testing, data analysis, conclusions, and communication to study behavior through the scientific method.

Psychology Research and the Scientific Method | JoVE K12

JoVE Core Introduction to Psychology offers an engaging learning experience on the fundamental principles of psychology through concise video lessons. Students will explore important topics such as cognitive processes, emotional regulation, and neural mechanisms, establishing a strong foundation in the study of the mind and human behavior. This series provides an accessible and captivating approach to grasp the essential concepts of the discipline.

introduction to psychology

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The Scientific Method

The scientific method is a detailed, empirical problem-solving process used by biologists and other scientists. This iterative approach involves ...

Scientific Method

The scientific method is used to solve problems and explain phenomena. The development of the scientific method coincided with changes in philosophy ...

Chemistry is an empirical science. Scientists often pose questions to understand the chemistry in everyday life and seek answers to these questions. To ...

Research is what makes the difference between facts and opinions. Facts are observable realities, and opinions are personal judgments, conclusions, or ...

Define a problem based on a specific  body of knowledge, for example: biology, chemistry, physics, and earth/space science, and do the following:  
Pose questions about the natural world, (Articulate the purpose of the investigation and identify the relevant scientific concepts). 
Conduct systematic observations, (Write procedures that are clear and replicable. Identify observables and examine relationships between test (independent) variable and outcome (dependent) variable. Employ appropriate methods for accurate and consistent observations; conduct and record measurements at appropriate levels of precision. Follow safety guidelines). 
Examine books and other sources of information to see what is already known, 
Review what is known in light of empirical evidence, (Examine whether available empirical evidence can be interpreted in terms of existing knowledge and models, and if not, modify or develop new models). 
Plan investigations, (Design and evaluate a scientific investigation). 
Use tools to gather, analyze, and interpret data (this includes the use of measurement in metric and other systems, and also the generation and interpretation of graphical representations of data, including data tables and graphs), (Collect data or evidence in an organized way. Properly use instruments, equipment, and materials (e.g., scales, probeware, meter sticks, microscopes, computers) including set-up, calibration, technique, maintenance, and storage). 
Pose answers, explanations, or descriptions of events, 
Generate explanations that explicate or describe natural phenomena (inferences), 
Use appropriate evidence and reasoning to justify these explanations to others, 
Communicate results of scientific investigations, and 
Evaluate the merits of the explanations produced by others.

Describe and explain what characterizes science and its methods.

Inductive Reasoning

Inductive reasoning is a form of logical thinking that uses related observations to arrive at a general conclusion. It is uncertain and operates in ...

Deductive Reasoning

Deductive reasoning, or deduction, is the type of logic used in hypothesis-based science. In deductive reasoning, the pattern of thinking moves in the ...

Correlation and Causation

Correlation and CausationStatistical tests can calculate whether there is a relationship, or correlation, between independent and dependent variables. A ...

Recognize that the strength or usefulness of a scientific claim is evaluated through scientific argumentation, which depends on  critical and logical thinking, and the active consideration of alternative scientific explanations to explain the data presented.

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Scientific Laws and Theories

Scientific Laws

In science, a law is defined as a concise, verbal or mathematical, statement that summarizes a vast number of experimental observations. ...

Reliability in Psychology Experiments

Source: Laboratories of Gary Lewandowski, Dave Strohmetz, and Natalie Ciarocco&#8212;Monmouth University

In order to study something scientifically, a ...

Random and Systematic Errors

Scientists always try their best to record measurements with the utmost accuracy and precision. However, sometimes errors do occur. These errors can be ...

uncertainty-in-measurement-accuracy-and-precision

Uncertainty in Measurement: Accuracy and Precision

Scientists typically make repeated measurements of a quantity to ensure the quality of their findings and to evaluate both the precision and the accuracy ...

systematic-error-methodological-and-sampling-errors

Systematic Error: Methodological and Sampling Errors

Systematic errors, depending on their source, are of four types &#8211; sampling, instrumental, method, and personal errors.
Sampling errors occur due to ...

Realism in Experimentation

Source: Laboratories of Gary Lewandowski, Dave Strohmetz, and Natalie Ciarocco&#8212;Monmouth University

In an ideal world researchers would conduct ...

Accuracy and Precision

Data Validation

Method validation is a crucial process in analytical chemistry designed to confirm that a given method consistently produces reliable and high-quality ...

Identify sources of information and assess their reliability according to the strict standards of scientific investigation.

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Describe and provide examples of how similar investigations conducted in many parts of the world result in the same outcome.

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Describe how scientific inferences are drawn from scientific observations and provide examples from the content being studied.

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from-theory-to-design-the-role-of-creativity-in-designing-experiments

From Theory to Design: The Role of Creativity in Designing Experiments

Source: Laboratories of Gary Lewandowski, Dave Strohmetz, and Natalie Ciarocco&#8212;Monmouth University

Research studies come into being when a ...

Recognize the role of creativity in constructing scientific questions, methods and explanations.

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Psychology Research and the Scientific Method

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