IN WHAT FOUR INSTANCES CAN CORRELATION ANALYSES BECOME VERY USEFUL?

INSTRUCTIONS: I WILL LIST A COUPLE OF PROBLEMS THAT I NEED HELP WITH.

1. GIVE ME AN EXAMPLE OF A SINGLE FACTOR DESIGN AND AN EXAMPLE OF A FACTORIAL DESIGN. PROVIDE DE INDEPENDENT VARIABLE WITH ITS LEVELS AND DEPENDENT VARIABLE FOR BOTH OF THE EXAMPLES.

A RESEARCHER WANTED TO KNOW IF THERE WAS A RELATIONSHIP BETWEEN STRESS AND FRUSTRATION. HE CONDUCTED A CORRELATION ANALYSIS AND FOUND A CORRELATION OF r=.65,p<.05. WHAT DOES THIS MEAN? ( IN OTHER WORDS GIVE ME A SENTENCE THAT EXPLAINS THE DIRECTION OF THE RELATIONSHIP AND WHAT IT MEANS? THE SAME RESEARCHER WANTED TO KNOW IF THERE WAS A RELATIONSHIP BETWEEN ANXIETY AND SCHOOL PERFORMANCE. HE CONDUCTED A CORRELATION ANALYSIS, GIVE ME A SENTENCE THAT EXPLAINS THE DIRECTION OF THE RELATIONSHIP AND WHAT IT MEANS) IN WHAT FOUR INSTANCES CAN CORRELATION ANALYSIS BECOME VERY USEFUL? EXPLAIN EACH OF THEM. IN WHAT FOUR INSTANCES CAN CORRELATION ANALYSES BECOME VERY USEFUL? EXPLAIN EACH OF THEM. DOES CORRELATION IMPLY CAUSATION?WHY OR WHY NOT? WHY DO WE USE PARTIAL CORRELATIONS? GIVE ME AN EXAMPLE OF A RESEARCH SITUATION WHERE USING A PARTIAL CORRELATION MAY BE HELPFUL. WHAT ARE ASPECTS THAT MAY IMPACT THE R VALUE OBTAINED FOR OUR CORRELATIONS? IN WHAT INSTANCES DO WE USE NON- PARAMETRIC TEST? EXPLAIN ALL OF THEM STATE THE NULL AND THE ALTERNATIVE HYPOTHESIS FOR A CHI- SQUARE TEST. ALSO, WHAT SHOULD WE EXPECT ( IN TERMS OF EXPECTED FREQUENCIES FOR THE DIFFERENT CATEGORIES) IN A STUDY IF THE NULL HYPOTHESIS WAS TRUE?

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