Blood Pressure and Word Document Submission
1. For each of the following (a through d), indicate which is a variable and which is a constant: a. The number of minutes in an hour. Constant b. Patients’ systolic blood pressure Variable c. Pi (π) – e.g., for finding the circumference of a circle Constant d. College students’ level of depression Variable
2. For each of the following research questions, identify the independent variable and the dependent variable within each case (a through e):
Does a person’s age affect psychological adjustment following burn injury? Age IV, Psychological DV
How do physically handicapped children differ from nonhandicapped children with respect to health concepts? Handicapped nonhandicapped IV, Health Concepts DV
Do patients who administer their own pain medication have lower pain ratings than patients whose pain medication is administered by a nurse? Who administer IV, Pain rating DV
Is the intracranial pressure of comatose patients affected by the presence of conversing visitors? Intracranial pressure DV, Presence of conversing IV
How does a bonnet compare to a stockinette in preventing heat loss in newborns?
A bonnet compare to stockinette IV, Heart loss DV
3. For each of the variables listed below, indicate which is discrete and which is continuous: a. Number of patients in an ICU ward. Discrete b. Height in inches Continuous c. Number of pregnancies a woman has had Discrete d. Amount of time spent sleeping Continuous e. Body temperature measured in Fahrenheit Continuous f. Self-esteem as measured on a 10-question scale Discrete g. Annual income Continuous
4. For each of the variables listed below, indicate whether the measure is nominal, ordinal, interval, or ratio: a. Degrees, on the Celsius scale Interval b. Student’s class rank Ordinal c. Number of cigarettes smoked daily Nominal d. Bowling average scores Ordinal e. Religious preference Nominal f. Military rank Interval g. Type of delivery (vaginal vs cesarean)
2. For each of the following research questions, identify the independent variable and the dependent variable within each case (a through e):
Does a person’s age affect psychological adjustment following burn injury? Age IV, Psychological DV
How do physically handicapped children differ from nonhandicapped children with respect to health concepts? Handicapped nonhandicapped IV, Health Concepts DV
Do patients who administer their own pain medication have lower pain ratings than patients whose pain medication is administered by a nurse? Who administer IV, Pain rating DV
Is the intracranial pressure of comatose patients affected by the presence of conversing visitors? Intracranial pressure DV, Presence of conversing IV
How does a bonnet compare to a stockinette in preventing heat loss in newborns?
A bonnet compare to stockinette IV, Heart loss DV
3. For each of the variables listed below, indicate which is discrete and which is continuous: a. Number of patients in an ICU ward. Discrete b. Height in inches Continuous c. Number of pregnancies a woman has had Discrete d. Amount of time spent sleeping Continuous e. Body temperature measured in Fahrenheit Continuous f. Self-esteem as measured on a 10-question scale Discrete g. Annual income Continuous
4. For each of the variables listed below, indicate whether the measure is nominal, ordinal, interval, or ratio: a. Degrees, on the Celsius scale Interval b. Student’s class rank Ordinal c. Number of cigarettes smoked daily Nominal d. Bowling average scores Ordinal e. Religious preference Nominal f. Military rank Interval g. Type of delivery (vaginal vs cesarean)