What is an example of a confounding variable in an experiment? A researcher designs a cognitive study to test how career choices might impact the ability to solve a complex puzzle. However, the researcher forgot to account for the age of the participants, which is an extraneous variable. The...
Here the data in columns B through F contain data for any confounding variables or variables that might be associated with whether a subject is in the treatment group or not. These variables are age, education (# of years in school), black (1 = black, 0 = not black), married (1 = ...
Give an example of inferential statistics.Answer and Explanation: Whenever you measure a part of a population, and estimate some value about the rest of the population, you are using inferential stastics. A phone survey would be a good example of inferential statistics....
A factor that is used to try to explain or predict a dependent variable is referred to as what in statistics and research? A. an empirical variable B. a skewed variable C. an independent variable D. an effectual variable (a) Which versions of ANOVA are avai...
The present study analysis used both descriptive and inferential statistics. Chi-square χ2 test, multi- nomial and multivariate regression models were used to determine the association between the variables of interest. In all analyses, the set level of statistical sig- nificance was a p-value ...
One way that mutual trends arise in a predictor and a response is when both variables are correlated with a causally prior confounding variable outside of the model. The omitted variable (OV) becomes a part of the innovations process, and the model becomes implicitly restricted, expressing a fa...
Scatterplot matrices plot the distribution of each column along the diagonal, and then plot a scatterplot matrix for the combination of each variable. They make for an efficient tool to look for errors in our data. We can even have the plotting package color each entry by its class to ...
This is thep-value reported in the previous display ofMAL12. Using heteroscedasticity-consistent (HC), or more general heteroscedasticity-and-autocorrelation-consistent (HAC), estimates of the standard error, while continuing to assume a Student'stdistribution for the resulting statistics, leads to ver...
An example of nominal variables is/are: a. male and female. b. brown eyes and blue eyes. c. herbivores and carnivores. d. all of the above. Scales of Measurement: Scales of measurement are the different levels at which a vari...
Systematic desensitization is the process of gradually exposing someone with a specific anxiety to anxiety provoking triggers so that the phobia can...Become a member and unlock all Study Answers Start today. Try it now Create an account Ask a question Our experts can answer your tough ...