Context and mem

• IV= music or no music
• DV = number of words correctly recalled out of 20
• Lab location
• Opportunity sampling with college students
• Mann Whitney U test
• 3D’s = difference , ratio data , independant group design
• Mean = for statistical analysis and appropriate for ratio data
• Improv 1 = students lack population validity = all college students = use all college community to be more representative
• Improv 2 = more females then males= unbalanced groups = make balanced