What is standard deviation? Please provide an example to discuss its use and relevance in human services evaluation.
What will be an ideal response?
Ans: The standard deviation is a measure of variance that is employed in various statistical tests. The calculation of standard deviation takes into account the assumptions of the normal distribution, thus proving to be a useful feature in reporting the reliability of mean as a descriptive statistic of the sample. The computing of the standard deviation gives the researcher an idea of how much variance there is in any given distribution. This lets the researcher to compare two sets of scores from different people on the basis of the variance. (Examples may be provided form the text or from practical applications of the concept)
You might also like to view...
In solution-focused therapy with survivors of trauma, the therapist invites the client to
a) develop a productive, structured daily routine. b) create a metaphor about the trauma as a distancing technique. c) discuss their experiences in their own words. d) document and discuss their dreams.
Social systems systematically train people to divest themselves of their own thought and of any kind of orientation involving compassion. The chief reason for this is that:
a. social systems are typically resistant to economic change. b. social systems increase complexity, leading to bewilderment. c. social systems support the goals of those inside the system. d. social systems view human beings as little better than mechanical parts.
The most effective way to recruit members for a group is
a) Posting announcements and fliers b) Issuing press releases c) Contacting key people in the network of potential members d) Contacting the members directly through interviews and telephone contacts
Equity means:
a. giving the same treatment to all b. treating all like individuals the same c. giving all individuals the same opportunity d. treating individuals as equals e. achieving the same outcomes for everyone.