Null hypothesis is the hypothesis that the effect relationship, or the other manifestations of variables and data under investigation does not exist.
I null hypothesis , a study is started in which an assumption is made that there is no difference between the experimental and control groups.
This assumption of no difference between between the experimental and control groups is known as null hypothesis.
If the results of the study indicate a P value, it indicates that there is a difference between the groups and it is determined with the help of the P value that this difference is due to chance.
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Conditions commonly linked to back pain include:
Muscle or ligament strain. Repeated heavy lifting or a sudden awkward movement can strain back...
Bulging or ruptured disks. Disks act as cushions between the bones (vertebrae) in your spine.
Arthritis. Osteoarthritis can affect the lower back.
Skeletal irregularities. A condition in which your spine curves
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Theories and models are used in program planning to understand and explain health behavior and to guide the identification, development, and implementation of interventions.
<h3>What is theory in healthcare?</h3>
Theories are Crucial to healthcare practice, promotion, and research. The choice of theory, although often unacknowledged, shapes the way practitioners and researchers gather and interpret evidence.
Ideas range from explicit hypotheses to working models and frameworks of thinking about reality.
Thus, Theories and models are used in program planning to understand and explain health behavior.
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