List 2 key characteristics of qualitative research in education. Provide 1 example of a research question that might be best aligned with a qualitative study.

 List the independent variable(s) and dependent variable(s).   Barriers and facilitators to data-based decision making in U.S. early childhood education and care.

If a researcher reported an effect size (Cohen’s d)  comparing the difference between males and females on mathematics of -.01, what would be your interpretation of the size of the effect?

A researcher was interested in comparing the job satisfaction of male and female elementary school principals.   50 male principals and 50 female principals were randomly selected and were administered a 20 item job satisfaction questionnaire (Cronbach alpha = .001).  The responses to the questionnaire were combined to form an overall job satisfaction score. Evaluate the Cronbach’s alpha of .001.  

Describe the source of measurement validity evidence–Content Validity– from the Standards of Educational and Psychological Measurement. Describe the steps in conducting content validation of a data collection measure.

 List the independent variable(s) and dependent variable(s). Student shyness and hand-raising during class discussion

A researcher is interested in determining the effectiveness of 2 methods of teaching fractions: Method A, visual models, and Method B, a number line approach.  40 students were randomly assigned to each method.  A 10-item fraction test is administered at the end of 8 weeks.   Identify the dependent variable. 

 List the independent variable(s) and dependent variable(s).   High school grade point average (GPA) as a predictor of students’ intention to attend college

A researcher was interested in comparing the job satisfaction of male and female elementary school principals.   50 male principals and 50 female principals were randomly selected and were administered a 20 item job satisfaction questionnaire (Cronbach alpha = .001).  The responses to the questionnaire were combined to form an overall job satisfaction score.   What does Cronbach’s alpha evaluate?  

A researcher determined that Computer Assisted Instruction, compared to lecture, had a positive effect on math achievement for high math anxious 8th grade students and no effect on math achievement for low math anxious 8th grade students.  What is the dependent variable in the above question?