Self Assessment Flashcards
A value or measure obtained from a population is called:
Parameter
To obtain samples that are unbiased, statisticians can use:
Probability sampling
The number of advertisements on a one-hour television show is what type of data?
Discrete
The height of basketball players is considered a __________ variable.
Quantitative and Continuous
Respondents were asked, ‘Do you earn more than or less than you did five years ago?’ What is this level of measurement?
Ordinal
Data that can be classified according to color are measured on what scale?
Nominal
In the statement, ‘Past research suggests that students who study with fewer distractions tend to get higher grades,’ what are the independent and dependent variables?
‘Distractions’ is the independent variable and ‘grades’ is the dependent variable
The measurements for ‘Ages of people working in a large hospital’ would be best described as being:
Quantitative, Continuous, Ratio
In reference to the assignment:
What are the independent and dependent variables in the study of cardioversion of atrial fibrillation?
‘Dependent variable’ is cardioversion success and ‘independent variables’ are left atrial enlargement, electrode pad positions, and presence of left ventricular failure
In reference to the assignment:
What kind of sampling has been used in the study of cardioversion?
Simple probability sampling
Which of the following represents a graphical presentation of continuous data?
Histogram
In a _______________ distribution, the majority of data values fall to the left of the mean and cluster at the lower end.
Positively skewed or right-skewed
When data for ‘Places of residence’ are categorized as being rural, suburban, or urban, the most appropriate measure of central tendency for this data would be:
Mode
Which term best describes the consistency of an assessment measure?
Reliability
A study based on 30 people across three focus groups to look for patterns of behaviour is what type of study?
Qualitative study
Which research strategy is best described by a study investigating ‘The introduction of planned change’ across one or more variables?
Experimental
Which measure of central tendency is obtained using the middle score when all scores are organized in numerical order?
Median
The outcome of what is being measured is termed the ____________.
Dependent variable
