This feature distinguishes a true experiment from a quasi-experiment by helping control for preexisting group differences.
What is random assignment to groups?
Gender and race are examples of variables measured with this type of scale.
What is a nominal scale?
This must include a description of any possible risks that could come from participating in the research study.
What is an informed consent?
This is a researcher's beliefs about how knowledge is gained.
What is epistemology?
This strategy for trustworthiness involves using several different sources of data.
What is triangulation of data?
Forgiveness, self-esteem, and intelligence are examples of this.
What is a construct?
Likert scales in counseling research are generally considered to be this type of scale.
What is an interval scale?

What is positive skew?
This paradigm of qualitative research encompasses methods like content analysis and CQR that use strict procedures to minimize bias.
What is postpositivism?
This data analysis procedure involves coding data line-by-line and then organizing similar codes together.
What is thematic analysis?
This is the process of clearly defining how a concept will be measured in a study.
What is operationalization?
"There is no relationship between social anxiety and depression" is an example of this.
What is a null hypothesis?
Name 3 threats to internal validity of a quantitative experimental study.
Maturation, history, testing, instrumentation, statistical regression to the mean, selection bias, attrition, mortality, experimenter bias
Qualitative research often uses this kind of sampling to find participants who will provide the deepest, richest data to "answer" the research question.
What is purposeful (or purposive) sampling?
This strategy for trustworthiness involves the researchers documenting their thoughts, biases, and reflections throughout the study.
What is a reflexivity journal?
This tells us how likely it is that a result is "real" and not just due to random chance.
What is statistical significance, or p-value?
This is the maximum level of risk of a Type I error that most researchers are willing to accept.
What is 5%, or .05?
Name 2 threats to external validity of a quantitative experimental study.
Interference of prior treatment, artificial experiment setting, interaction of selection and treatment, interaction of treatment implementation, interaction of testing and treatment
Name 3 potential sources of data in qualitative research.
Individual interviews, focus groups, field notes, text documents, visual media, etc.
This qualitative method uses a codebook for data analysis.
What is content analysis?
This type of error is also referred to as a "false positive."
What is a Type I error?
A Pearson correlation coefficient of r = -.75 indicates this type of correlation between two variables.
What is a strong negative correlation?
Cohen's d, eta-squared, and R-squared are all measures of this.
What is effect size?
Experimental validity is to quantitative research as this is to qualitative research.
Instead of being generalizable, qualitative findings may be this.
What is transferable?