Question: The data for Tasks 1-3 for this assignment (assignment 4 SPSS.sav) contains 16 variables representing two scales: Scale 'X' (X001-X008) and Scale 'Z' (Z001- Z008).
The data for Tasks 1-3 for this assignment (assignment 4 SPSS.sav) contains 16 variables representing two scales: Scale 'X' (X001-X008) and Scale 'Z' (Z001- Z008). The data for Task 4 is included in the table Task 1 - Item-Total Correlations (2 points) Calculate the item-total correlations for both scales. Include the SPSS output for your analyses. Task 2 - Interpreting Item-total correlations. (6 points) Which items are problematic? Explain your answers making specific reference to the item-total correlations and the content of the items. Task 3 - Item-total correlations and coefficient alpha. (4 points) Re-run the analysis using the reliability option in SPSS. If you remove the problematic items, how will this change the alphas? (include the output)
Step by Step Solution
There are 3 Steps involved in it
Get step-by-step solutions from verified subject matter experts
