Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Quantitative Analysis01:12

Quantitative Analysis

Quantitative analysis is a technique for measuring the amount of specific constituents in a sample. When the sample's composition is unknown, qualitative analysis is performed first to identify its components, which ensures that the correct substances are measured during the quantitative phase.
In quantitative analysis, two key measurements are made: the sample quantity and a property proportional to the amount of the analyte (the substance being analyzed). This forms the basis of the method...
Qualitative Analysis01:10

Qualitative Analysis

Qualitative analysis is the process of identifying elements, ions, or compounds in an unknown sample. It is the first and most fundamental type of analysis based on the hierarchy of analytical goals. This hierarchy is significant as it provides a structured approach to scientific research, with qualitative analysis serving as the initial step, providing essential information before moving on to quantitative or other forms of analysis.
There are two main approaches to qualitative analysis:...
Qualitative Analysis03:46

Qualitative Analysis

For solutions containing mixtures of different cations, the identity of each cation can be determined by qualitative analysis. This technique involves a series of selective precipitations with different chemical reagents, each reaction producing a characteristic precipitate for a specific group of cations. Metal ions within a group are further separated by varying the pH, heating the mixture to redissolve a precipitate, or adding other reagents to form complex ions.
For instance, group IV...
Cochran's Q Test01:17

Cochran's Q Test

Cochran's Q Test is a nonparametric statistical test used to determine if there are potential differences in the outcomes of three or more related groups on a binary (yes/no) or dichotomous outcome. It is essentially an extension of the McNemar Test, which is limited to two related samples - Cochran's Q test can handle three or more related samples, making it more versatile in scenarios where subjects are measured under multiple conditions. The test statistic follows a Chi-Square distribution,...
Theoretical Approaches to Psychological Disorder01:29

Theoretical Approaches to Psychological Disorder

The development of psychological disorders, which are characterized by deviant, maladaptive, and personally distressing behaviors, has been explored through several theoretical approaches.
Biological approach
The biological approach posits that internal, organic factors are the primary causes of such disorders. This perspective emphasizes brain structure and function, genetic predispositions, and neurotransmitter imbalances. For example, schizophrenia has been associated with both genetic...
Psychosurgery01:30

Psychosurgery

Psychosurgery, the surgical alteration or permanent removal of brain tissue to alleviate severe psychological conditions, stands as one of the most radical and controversial treatments in the history of mental health care. Its development and application have evolved significantly, marked by dramatic shifts in scientific understanding and ethical perspectives.
Historical Development of Psychosurgery
In the 1930s, Portuguese neurologist Antonio Egas Moniz introduced a surgical procedure designed...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Backward Incline Walking in Stroke Rehabilitation: A Pilot Feasibility Study.

Restorative neurology and neuroscience·2026
Same author

Editorial: Advances and challenges in stroke therapy: a regenerative prospective, volume II.

Frontiers in human neuroscience·2026
Same author

Inflammatory blood-based biomarkers to aid in the assessment and prognostication of traumatic brain injury: a TRACK-TBI study.

Journal of neuroinflammation·2026
Same author

Retraction Note to: Degradation of βII-Spectrin Protein by Calpain-2 and Caspase-3 Under Neurotoxic and Traumatic Brain Injury Conditions.

Molecular neurobiology·2026
Same author

Tau Oligomers Induce Brain Endothelial Cell Hyperpermeability and Increase NLRP3 Inflammasome Signaling and MMP-9 Activity.

Microcirculation (New York, N.Y. : 1994)·2026
Same author

A consensus roadmap for post-traumatic epilepsy: Clinical biomarkers, research priorities, policy barriers, and pathways to interventional trials.

Epilepsia·2026

Related Experiment Video

Updated: May 26, 2026

Enactive Phenomenological Approach to the Trier Social Stress Test: A Mixed Methods Point of View
05:26

Enactive Phenomenological Approach to the Trier Social Stress Test: A Mixed Methods Point of View

Published on: January 7, 2019

Qualitative versus quantitative methods in psychiatric research.

Mahdi Razafsha1, Hura Behforuzi, Hassan Azari

  • 1Department of Psychiatry, Center for Neuroproteomics and Biomarkers Research at the Evelyn F. and William L. McKnight Brain Institute, University of Florida, Gainesville, FL, USA. razafshamahdi@yahoo.com

Methods in Molecular Biology (Clifton, N.J.)
|January 11, 2012
PubMed
Summary
This summary is machine-generated.

Qualitative research, using methods like interviews and focus groups, offers deep insights into experiences and behaviors, especially in psychiatry. Combining qualitative and quantitative approaches enhances understanding by integrating interpretation with experimental data.

More Related Videos

Automated, Quantitative Cognitive/Behavioral Screening of Mice: For Genetics, Pharmacology, Animal Cognition and Undergraduate Instruction
16:23

Automated, Quantitative Cognitive/Behavioral Screening of Mice: For Genetics, Pharmacology, Animal Cognition and Undergraduate Instruction

Published on: February 26, 2014

Related Experiment Videos

Last Updated: May 26, 2026

Enactive Phenomenological Approach to the Trier Social Stress Test: A Mixed Methods Point of View
05:26

Enactive Phenomenological Approach to the Trier Social Stress Test: A Mixed Methods Point of View

Published on: January 7, 2019

Automated, Quantitative Cognitive/Behavioral Screening of Mice: For Genetics, Pharmacology, Animal Cognition and Undergraduate Instruction
16:23

Automated, Quantitative Cognitive/Behavioral Screening of Mice: For Genetics, Pharmacology, Animal Cognition and Undergraduate Instruction

Published on: February 26, 2014

Area of Science:

  • Psychiatry
  • Behavioral Sciences
  • Social Sciences

Background:

  • Qualitative methods are increasingly recognized for their value in research.
  • Historically, qualitative approaches were sometimes misunderstood as less rigorous than quantitative methods.
  • Qualitative research explores experiences, behaviors, interactions, and social contexts.

Purpose of the Study:

  • To highlight the importance and applications of qualitative research methodologies.
  • To explain the complementary nature of qualitative and quantitative research.
  • To underscore the role of qualitative inquiry in psychiatric research and beyond.

Main Methods:

  • Qualitative methods include in-depth interviews, focus groups, and participant observation.
  • Quantitative methods focus on measuring event frequency.
  • The study emphasizes the integration of qualitative and quantitative research.

Main Results:

  • Qualitative methods provide a broader understanding and thorough reasoning behind phenomena.
  • These methods are valuable for hypothesis generation, questionnaire design, and establishing diagnostic criteria.
  • Qualitative approaches are also applicable to animal behavior studies.

Conclusions:

  • Qualitative research is crucial in psychiatry for in-depth understanding.
  • Combining qualitative and quantitative methods offers a comprehensive research approach.
  • Integrating both methodologies leverages interpretative and experimental strengths for robust scientific inquiry.