Quantitative Data Collection Questions Flashcards
A scale that is not properly calibrated is used to weigh each patient in a simple random sample of fifty patients from an out patients clinic. What type of bias occurs in the data set?
measurement bias
Describe your level of pain on the scale below by circling the number that most closely corresponds to the intensity of pain.
No Pain 1 2 3 4 5 6 7 8 9 Unbearable Pain
semantic differential
The most effective research design for working with large samples of participants is
survey research
Redrafting a questionnaire involves:
rewriting the questionnaire on the basis of feedback from the “pilot” administration.
Which is the most commonly used type of scale in most social science research?
Likert
If a variable is not operationally defined, then:
- the investigation of the variable might be difficult to replicate
- it might be difficult to explain how the variable was measured
The reading “36°C” is a value on a(n):
interval scale
A continuous scale of measurement is different from a discrete scale in that a continuous scale:
can take an infinite number of intermediate possible values
Which of the following statements is a definition of the analytical goal “Accuracy”.
The agreement between the best estimate of a quantity and its “true” value.
Subjective measures:
Subjective measures are influenced by the observer’s personal judgment of how the skill was performed…
such as scoring
are not operationally defined
Which of the following is a variable measured on a continuous scale?
a. parity (number of previous pregnancies)
b. family size
c. peak expiratory flow rate
d. age last birthday
peak expiratory flow rate
Which of the following statements is a definition of the analytical goal “Specificity”.
The ability of the method to detect small quantities of the measured component.
The director of a large Mental Health Center is in need of information regarding specialised services needed by elderly in the community. You have been asked to develop a survey and collect data which captures demographic data on the elderly in the community. The best method for collecting the data is:
to use phone for data collection from a randomly selected sample of elderly within the community.
Select the following variable, which is measured on a nominal scale.
a. Height in cm.
b. Social class (I/II/III-N/III-M/IV/V).
c. Ethnic group.
d. Age categorised as young, middle-aged or old.
Ethnic group
Eye colour
Select the following variable that is an example of numerical variable:
a. Blood group
b. Serum bilirubin level
c. Severity of haemophilia (mild/moderate/severe)
d. Gender
Serum bilirubin level
