A nurse-researcher is investigating the effects of teaching with a group of adolescents who have type 1 diabetes. The teenaged subjects were taught about nutrition, wound care, and maintenance of normal blood sugar levels. Which research design provides the best indication of the effects of this teaching?
Longitudinal.
Experimental,
Cross-sectional.
Descriptive.
The Correct Answer is B
A. Longitudinal studies follow the same group of subjects over a long period, which may not be feasible or practical for investigating the immediate effects of teaching.
B. Experimental designs involve the manipulation of an independent variable (teaching about nutrition, wound care, and maintenance of normal blood sugar levels) to observe its effects on a dependent variable (such as knowledge retention or behavior change). This design allows for the comparison of outcomes between a group that receives the intervention and a control group, providing the best indication of the effects of the teaching intervention.
C. Cross-sectional studies examine different groups at a single point in time and may not provide the best indication of the effects of teaching over time.
D. Descriptive studies aim to describe characteristics or behaviors of a population but do not typically involve interventions or manipulation of variables.
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Related Questions
Correct Answer is C
Explanation
A. Correlational studies examine the relationship between variables but do not involve manipulation of variables, which is a key characteristic of experimental studies.
B. Exploratory studies aim to explore a new area or phenomenon, often using qualitative methods or preliminary investigations, which may not involve comparing groups with different interventions.
C. Experimental studies involve the manipulation of an independent variable (in this case, participation in the exercise program) to observe its effects on a dependent variable (HbA1C findings). This design allows for causal inferences about the relationship between the intervention and outcome.
D. Developmental studies focus on changes over time or across different life stages, which may involve longitudinal or cross-sectional designs but do not necessarily involve experimental manipulation of variables.
Correct Answer is B
Explanation
A. Longitudinal studies follow the same group of subjects over a long period, which may not be feasible or practical for investigating the immediate effects of teaching.
B. Experimental designs involve the manipulation of an independent variable (teaching about nutrition, wound care, and maintenance of normal blood sugar levels) to observe its effects on a dependent variable (such as knowledge retention or behavior change). This design allows for the comparison of outcomes between a group that receives the intervention and a control group, providing the best indication of the effects of the teaching intervention.
C. Cross-sectional studies examine different groups at a single point in time and may not provide the best indication of the effects of teaching over time.
D. Descriptive studies aim to describe characteristics or behaviors of a population but do not typically involve interventions or manipulation of variables.
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