Exam 10: Clarifying Measurement and Data Collection in Quantitative Research

In a study measuring oxygen saturation levels in infants,the researcher notes that data collectors record low saturation levels that occur when the heart rate is erratic and the infants are irritable and actively moving around.This will likely result in which type of measurement error?

In a pilot study to help train a group of data collectors who will evaluate children's pain using a FACES rating scale,the researcher examines the reliability of the scores of each data collector.This is an example of which type of reliability measure?

A researcher evaluates scores of a paper and pencil instrument with dichotomous variables using the Kuder-Richardson formula.This is a test of

Which type of scale is most commonly used in a survey of patient satisfaction?

What type of information is typically found in an administrative database?

A researcher wishes to study the effects of preoperative teaching on anxiety levels among toddlers and preschoolers undergoing surgery.To reduce the potential for measurement error,the researcher will

A researcher notes a reliability score of 0.75 between two observers in a clinical drug trial evaluating whether the drug decreases anxiety.This score means that

A screening test has a specificity of 92%.This means that there is a(n)

Which is important when using observational measurement to produce reliable data?

A researcher administers two instruments known to measure opposite concepts and performs correlational analyses on the results.The original measure has a negative correlation of -0.6 with the new measure.This indicates

A researcher reports that a measure is highly sensitive when diagnosing patients.The reviewer understands that this test

A researcher develops a new instrument to measure coping skills and conducts a pilot study to compare the new tool with an existing tool that measures this concept.This is an example of evidence of validity from

Among subjects with coronary artery disease,a researcher identifies three levels of symptoms which can be categorized by severity.This represents which level of measurement?

A researcher studying children identifies the following age groups: Birth to age 12 months 12 months to 3 years 3 years to 5 years 5 years to 12 years 12 years to 18 years These categories are not

Which statement is true about using a questionnaire to collect data?

In a study involving multiple data collectors,the researcher helps to ensure consistency in data collection by

Which is true about a test that is highly sensitive for detecting a disease?

A researcher tests a measurement tool's validity by administering it to a group of subjects who don't have health insurance and a group who have health insurance to examine attitudes about access to health care.The researcher is looking for evidence of validity from

A researcher performs a series of pilot studies to evaluate whether a measurement tool produces consistent results.This is an evaluation of

Which is true about using data from an existing database?