Answer to Question 1
You want to have confidence that the person's results are a true indicator of the construct (the person's interest, skills, values, etc.)
You want to have confidence that the person's scores will be relatively stable over time, not dramatically different on your next meeting.
The client is making decisions based off of the results of the inventory. Therefore, it better be a valid and reliable tool.
You want to make sure that the instrument is appropriate for your client, and without reliability/validity information specific to you're the client's group (gender, ethnicity, and age), there is no ability to know that for certain.
You will have more confidence in your interventions if you have confidence in the results of the inventory.
Answer to Question 2
A
Common Risk Factors
Three factors that influence the distribution of Na+ and K+ ions across the neural membrane.
Calculation of the Value of Depletion for the 14 Most Important Minerals
Primary factors affecting blood pressure
Factors Affecting the Affinity of Hb for O2
Conversion factors derivation.