1.You are reading an article about a series of studies to validate a new instrument that measures user friendliness of a web site. As user friendliness is not observable, what type of validity would you expect to read about in…
1.True or false? For a randomized controlled trial, the hypotheses are written a priori to the study being conducted.A) True 2.What is the term for a statement of the researchers’ predictions on the outcome of their study?A) Hypothesis 3.In the…
1.Establishing inclusion and exclusion criteria means to __________.A) Identify the criteria that are used to keep articles in the study and to identify criteria that are used to remove articles from the study 2.The flow diagram for a database search…
1.Clinicians designed an intervention to reduce missing clinical information of diabetic patients in the electronic patient record at the time of visits. If a study is done to determine if there was a decrease in missing information in patients’ health…
1.Incidence rate (IR) of the exposed group (divided by) Incidence rate (IR) of the unexposed group. This is the calculation for what statistic?A) Relative risk 2.This type of study does not answer questions regarding causation or whether one risk factor…
1.When extreme scores of measurement tend to move toward the mean because they have extreme scores, not because of the intervention under study. This is called:A) Statistical regression 2.When a control group is exposed to part of the intervention under…
1.Tasks used in usability studies that examine how fast the user can accomplish a task are called:A) Efficiency of use 2.What type of study was conducted by Kanaar and Hecht (1991) to determine the feasibility of a 74-year-old man to…
1.What is an important first step when building a new survey?A) Form an advisory committee 2.When determining the sample size, what is an acceptable margin of error for many health informatics studies?A) 5% 3.If a researcher is interested in making…
1.What is another term for a research frame?A) Paradigm 2.What is a purpose of research?A) Create new knowledge 3.The researchers were conducting an experimental study. The researchers randomly selected subjects from the population of interest. What is the term for…
