Resrch Meth Sl Path
Resrch Meth Sl Path SPPA 6150
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This 2 page Study Guide was uploaded by Norwood Daugherty on Wednesday September 30, 2015. The Study Guide belongs to SPPA 6150 at Western Michigan University taught by James Hillenbrand in Fall. Since its upload, it has received 67 views. For similar materials see /class/216825/sppa-6150-western-michigan-university in OTHER at Western Michigan University.
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Date Created: 09/30/15
LA VI 00 O N LA SPPA 615 Study Guide Analysis of Communication Disorders Research Methods What is the difference between experimental and descriptive research Give an example that demonstrates this distinction and shows the interpretive limitations that are often associated with descriptive designs Use simple graphs to show examples of a parametric research that produces simple main effects only b parametric research that produces an interaction What is the difference between longitudinal and crosssectional research In what way is longitudinal research superior to crosssectional research Why are crosssectional studies more common A tud f and full t nPnnt 14 W I I flant 14 D n u u A 5 ag inr r Draw scatter plots showing a a strong positive correlation b a strong negative correlation c a weak negative correlation and d no correlation What are some common problems that are associated with survey research What would it mean to say that a test instrument is reliable but not valid What would it mean to say that a test instrument is valid but not reliable If it is determined that variables x and y are correlated what are the possible causal relationships between x and y A professor grades a set of essay exams then returns to regrade the same set of exams several months later A very high correlation is found between the two sets of grades The professor concludes that the grading method is valid Is this a reasonable conclusion If not why is he an idiot List and brie y explain four cautions in interpreting correlational results Give an example of two variables that might be negatively correlated Give examples of comparative developmental and correlational designs In a survey study why does it matter that surveys are not always returned by potential respondents We did not talk about this but the principle is straightforward The problem is not simply that some or even many of the surveys are not returned The problem is the potential for sampling bias by which I mean the possibility that the individuals who return a survey may be systematically different from those who pitch them in the trash Imagine a survey on attitudes toward gun control It is possible that strong advocates of gun rights may be more likely to return them or that strong advocates of gun control laws may be more likely to return them or even both leaving more moderate views under represented It is hard to know and there is no easy solution to the problem
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