Blog

A questionnaire asks study participants to rate how much they agree with a statement, by circling whether they “strongly agree,” “agree,” “disagree,” or “strongly disagree.” This variable would represent what type of data?

In APA format, the list of references should be in order by:

You want to design a study to test whether the number of minutes a person exercises in a given week is associated with whether or not they are diagnosed with cardiovascular disease 10 years later. Which of the following statistical tests would be best to use to test this association?

A survey question asks participants to select their race/ethnicity, allowing them to select from pre-specified categories. What kind of data will this question produce? 

The __________ blocks the apoplastic flow of water from the root hairs to the xylem.

Results from the 2014 National Health Interview Survey demonstrated that 16.8% of adults over the age of 18 smoked cigarettes (95% confidence interval = 16.1% – 17.5%). Using 2015 data, it was observed that 15.1% of adults over the age of 18 smoked cigarettes (95% confidence interval = 14.5% – 15.7%). Given these results, which of the following statements is accurate?

In the introduction of a journal article, it is important to describe all of the following EXCEPT:

The best way to paraphrase text from another source is to:

Select the reference example that is correctly formatted in APA style:

A measure can be valid even if it is not reliable.