Exam 5: Examining Research Problems, Purposes, and Hypotheses

The statement,"Do patients who receive care in a Patient-Centered Medical Home have fewer emergency department visits than those who do not?" is an example of a research

Which is true about a causal hypothesis?

All of the following aspects of a research proposal are part of the research hypothesis except

What type of hypothesis is the following? "Children with cystic fibrosis who use a cough assist device will experience less anxiety about their disease and have fewer inpatient hospital admissions per year."

In a study of adolescent children using a group of high school football players and junior-high school cyclists,researchers compared the length of recovery from concussion between those wearing brand X helmets and those wearing brand Y helmets.In this study "high school football players" represent which type of variable?

When writing a proposal for a research study,the researcher includes a problem statement that serves to

Which is true about an operational variable in quantitative research?

Which type of variable is used in a descriptive study?

In the following research clinical question,what is the intervention? "Does taking antidepressants affect the risk of suicide for cognitively impaired adolescents?"

In a qualitative study,which is true about the definition of research concepts?

A researcher wishes to study the effects of a low-fat diet on self-esteem,weight,and energy levels among obese women over age 40.Which is the independent variable in this study?

Which is true about a statement of the research purpose?

In a study comparing the effects of complementary therapies on pain scores and narcotic analgesic use in homeless women and women who own homes,which of the following is a demographic variable?

The statistical (null)hypothesis in a research study states that there is

In a research proposal,the researcher states that the proposed study will explore children's feelings about chemotherapy side effects.This statement describes the

The hypothesis "A person's mental status is not affected by a relocation to a nursing home" is

In a research proposal,a statement about expected relationships among variables is the

During a study to measure the effects of violent video games on aggressive behavior,the researchers learned that a portion of the subjects lived in homes with one or more alcoholic parents.In this study,the presence of an alcoholic parent is a(n)

Which is an important feature of a testable hypothesis?

The nurse researcher states that a research purpose is to measure the effects of bar code medication administration on medication errors.This is a study purpose for which type of research?