Describe “T-shirt” model of effect sizes and discuss the situations in which it may be used.
What will be an ideal response?
Ans: Cohen’s so-called T-shirt model of effect sizes states that ? values of .2, .5, and .8 are small, medium, and large, respectively. This categorization scheme was not intended to be universally applicable, nor was it derived from serious statistical analysis. There is no reason that ? = .5 should be consider a medium effect size in all research domains. For example, ? = .5 might be considered small in neuroscience, or large in certain clinical settings. Therefore, one cannot make a judgment about the size of an effect independent of the research context. In fact, Cohen (1988) suggested that these guidelines should be employed for power analysis when no better guidance is available.
You might also like to view...
Depression in children is characterized by ____
a. helplessness b. apathy c. contentment d. mania
Describe the basic structure of the nervous system and each of its primary components
What will be an ideal response?
According to the article Apparent from the Parents about different parenting styles and adolescent behavior outcomes, Sandra Scarr's views might most accurately be described as saying:
(a) parents do not matter (b) parents usually influence their children (c) parents are more important than peers (d) as long as they are good enough, parents' behavior does not account for variance in children's behavior
Each SSBG portion must be divided by _____
a. MSBG b. MSWG c. SStot d. Degrees of freedom