Health programs that use social and related data obtained through surveys or other methods need to distinguish among so-called independent variables. Three groups of independent variables are (a) demographic (age, nativity, sex, race, family size, income, education, and occupation), (b) ideologica...
young adult sexuality, that efforts to understand sexuality in this population are hampered by three aspects of typical approaches to the research process: (a) examination of single classes of predictor variables; (b) differences in operationalization of dependent variables; and (c) sampling ...
The article explains that the terms extraneous, nuisance, and confounding variables refer to any variable that can interfere with the ability to establish relationships between independent variables and dependent variables, and it describes ways to control for such confounds. It further explains that ...
Acomplexhypothesis:Concernsarelationshipwheretwoormoreindependentvariables,twoormoredependentvariables,orboth,areexaminedinthesamestudy(multivariate).Example:thereisapositiverelationshipbetweenpatientperceptionofpaincontroland(a)complaintsofpainand(b)requestsforpainmedication.Note:rememberthathypothesisarenot...
Lurking variable: a “hidden” variable the affects the relationship between the independent and dependent variables. A measurement variable has a number associated with it. It’s an “amount” of something, or a”number” of something. Nominal variable: another name for categorical variable. Ordin...
Other common types of variables Once you have defined your independent and dependent variables and determined whether they are categorical or quantitative, you will be able to choose the correct statistical test. But there are many other ways of describing variables that help with interpreting your ...
If a scientist wants to monitor how two different types of fertilizer (independent variables) effect the growth of the coffee beans, he will need to control all other variables. First he must use the same kind of coffee beans and the same amount of fertilizer to grow both sets of plants....
Despite the term, DT is relatively new; its substance is not: a whole stream of research has examined the relationship between DT and firm performance with contradictory findings. Most of these studies have chosen a linear correlational approach, however, did not analyze the holistic interplay of...
The following research studies consist of two or more groups of scores being compared. For each, decide whether the study is experimental or nonexperimental, and then identify the dependent, independent, or quasi-independent variables.
Acomplexhypothesis:Concernsarelationshipwheretwoormoreindependentvariables,twoormoredependentvariables,orboth,areexaminedinthesamestudy(multivariate).Example:thereisapositiverelationshipbetweenpatientperceptionofpaincontroland(a)complaintsofpainand(b)requestsforpainmedication.Note:rememberthathypothesisarenotrequiredifonly...