Nursing 405 Exam 2 (100%Correct Answers)

Validity correct answers Good research design in quantitative studies involves achieving four types of _________________ Crossover correct answers A(n) ___________________ design refers to a study design in which the same participants are exposed to two or more conditions, in random order Attrition correct answers The loss of subjects from a study over time is called ________________________ Selection correct answers A key treat to internal validity stemming from preexisting group differences is the ______________ threat Random correct answers The allocation of participants to groups by chance is called __________________ assignment Blinding (or masking) correct answers Researcher use the strategy of ___________________________ to guard against expectation biases Control correct answers Techniques of research ____________________ include randomization, homogeneity, and matching Mortality correct answers __________________ is a threat to internal validity stemming from differential loss of participants from groups Prospective or cohort correct answers In a(n) ________________________ design, data about causes are collected before data about effects Statistical correct answers Demonstrating the existence of a relationship between an independent variable and an outcome contributes to __________________________ conclusion validity Internal correct answers The degree to which can be inferred that the independent variable causes the outcome variable is ________________ validity External correct answers The type of validity referring to the generalizability of results is _____________________ validity Cross-Sectional correct answers Data are collected at a single point in time in a ____________________ study. Counter factual correct answers A(n) ________________________ represents what would have happened to the same people simultaneously exposed an not exposed to a hypothesized casual factor