Pre-post Intervention
Pre-post Intervention - Related Videos
01:28
Cardiomyopathy VII: Pre and Post Operative Nursing Management
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2025
Patients with hypertrophic cardiomyopathy (HCM) and left ventricular outflow tract (LVOT) obstruction who remain symptomatic despite optimal medical therapy may undergo a septal myectomy (Morrow procedure). This procedure involves excising a portion of the hypertrophied septum below the aortic valve using a heart-lung machine to improve blood flow through the LVOT. Effective preoperative and postoperative nursing management ensures successful patient outcomes, minimizes complications, and...
08:13
Simultaneous Pre- and Post-synaptic Electrophysiological Recording from Xenopus Nerve-muscle Co-cultures
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Cited by 2 •
2013
This video demonstrates the procedures used to grow primary cultures of embryonic Xenopus nerve and muscle cells and the usefulness of this preparation for making simultaneous pre- and post-synaptic patch clamp recordings.
07:40
Validation of a Psychosocial Intervention on Body Image in Older People: An Experimental Design
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2021
This experimental intervention examines the body satisfaction of older people. The aim is to compare a specific intervention with another general program and determine which is more effective for improving body satisfaction in people over fifty years old.
01:34
Early Intervention and Pain Management
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2026
All animal procedures described here must be conducted in accordance with institutional animal ethics guidelines and approved by IACUC. All procedures must follow the principles of the 3Rs—Replacement, Reduction, and Refinement—and must be performed by trained personnel. Monitoring Animals for Signs of Pain and Distress Recognizing early signs of pain is essential for ethical animal research. Animals are routinely monitored using behavioral, physical, and physiological parameters that reflect...
01:03
Nursing Interventions I: Taxonomy of Nursing Interventions
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2025
Nursing interventions are chosen as part of the planning process to achieve patient outcomes. Once nursing diagnoses are determined, the goals and outcomes are specified, then the nursing interventions are selected and individualized according to the patient's situation. A nursing intervention is a treatment or action based on scientific concepts and knowledge from the nursing, behavioral, and physical sciences. Identifying and prioritizing nursing interventions based on the desired outcome is...
FAQs
Because the same participants contribute both measurements, the design focuses on within-person change rather than differences between individuals. This can make a participant’s post-intervention score easier to interpret relative to that person’s baseline. The comparison is especially useful when people begin with different cognitive abilities, neural activity patterns, or symptom levels.
A measured improvement does not by itself establish that the intervention caused the change. Participants may improve through natural recovery, practice, or other time-related influences unrelated to the planned treatment. Adding a control group or complementary controls helps researchers distinguish intervention-associated change from changes that might have occurred without it.
Practice effects can make post-intervention performance appear higher simply because participants have encountered the assessment before. This is a particular concern for repeated cognitive testing, where familiarity may influence scores independently of treatment or training. Researchers should therefore interpret a gain alongside other possible time-related explanations and complementary controls.
An effective workflow begins with a baseline assessment, followed by the planned treatment, training program, or behavioral change, and then a repeat assessment using the selected outcomes. The measurements should correspond to the research question, such as cognitive performance, neural activity, or clinical symptoms. This sequence makes the before-and-after comparison explicit.
Outcome selection should match the scientific question. Cognitive performance can represent behavioral change, neural activity can indicate brain-related change, and clinical symptoms can capture functional or clinical relevance. Reassessing one or more of these domains allows the study to examine different consequences of an intervention rather than treating every post-intervention change as the same outcome.
In neuroscience, pre-post intervention studies can be applied to rehabilitation, neurofeedback, education, and brain stimulation. The same general comparison can therefore support questions about recovery, training, learning, or treatment-related change. The selected application determines which outcomes are most informative, whether cognitive performance, neural activity, clinical symptoms, or a combination.