Choosing Appropriate Tests of Significance

Given the following scenarios, indicate which test of significance you would choose to conduct the appropriate analyses. Also, provide the reason why you chose the specific test. Assume that all sample sizes are adequate and underlying assumptions have been met.

IV = Independent Variable; DV = Dependent Variable

1. IV: socio-economic status-low, middle, high

DV: self-esteem as measured on a 15-item, 5-point scale.

2. IV: ethnicity- black, white, South Asian, Chinese

DV: mental health diagnosis- schizophrenia, depression, manic-depression

3. IV: age according to four groups, under 20yrs, 21-40, 41-60,61, and older

DV: memory recall as measured on a scale from 0-100.

4. IV: training on mathematical problem solving, using subjects randomly assigned in pairs to an experimental or a control group such that each pair is equal in terms of age, IQ scores, and years of education.

DV: problem-solving performance measured in minutes to complete questions.

5. IV: level of nursing education (BScN or diploma)

DV: a place of work (acute care hospital/public health/nursing home)