The Director of HIMS has calculated the break-even point for purchase of a new
transcription system to be four years. Is this analysis correct?
a. Yes, because the break-even point does not consider the time it will take for a system
to recover its investment costs fully.
b. Yes, because the break-even point calculates the difference between the current
system costs and new system costs.
c. No, because the break-even point does not consider the time it will take for a system
to recover its investment costs fully.
d. No, because the break-even point does not calculate the difference between current
system and new system costs.
Validity
Match the descriptor with the correct term.
a. Faulty memory
b. The tendency to select persons under frequent medical care
c. The tendency to ask questions differently or probe more if it is known that the person
has the disease
d. Quantifies the amount of risk due to a certain characteristic Ire/IRo
e. The ability of a test instrument to measure what it is supposed to measure
f. Identified by pre-existing records developed in the past
g. Accumulated period of time each person is in the study
h. Percent of all true non-cases correctly identified
i. Reliability between more than one research assistant or observer
j. Examples: all new employees within a hospital, all new students in the first grade