The personality inventory has 8 items, so the SPSS file has 8 variables representing each item item1, item2, etc. Define probability and discuss how it relates to the concept of statistical significance.
Men — low sugar diet; Men — high sugar diet; Women — low sugar diet; Women — high sugar diet. A n is a set of observations drawn from the larger group of interest. At the end of the program, the researcher examines scores on the energy level scale for the following groups: At the end of the 6 weeks, participants complete a questionnaire measuring depression.
You want to compute a total score for each participant that represents the sum of items 1—8. Discrete values that the independent variable can take on are called the of the independent variable. Answer the following questions: The researcher compares the mean score of the experimental group with the mean score of the control group.
Fill in the blank with the appropriate word or words. A statistic that uses sample data to make general estimates about the larger population is statistic. When each participant has the same chance of being assigned to the various levels of the manipulation, they are said to be to conditions.
The researcher is interested in determining whether a high or low sugar diet affects reported energy levels differently for men and women. What is the null hypothesis?
What statistic could the researcher use to assess the data? Participants experience only one level of the independent variable in a n design.
The large group about which you want to know something is called. A variable that is manipulated to determine its effects on another variable is a n variable. What statistical test would be most appropriate for this purpose and why?
Identify each of the following for this study.
In the scenario described in the previous question, the researcher implements two programs simultaneously: Each participant experiences all levels of the independent variable in a n design. What is the research hypothesis?
All Questions These questions are based on the Nolan and Heinzen reading and end-of-chapter questions. In the scenario described in the previous questions, the researcher predicted that participants in the experimental group — yoga plus medication — would score significantly lower on measures of depression than would participants in the control group — support group plus medication.
On this scale, 1 corresponded to very unhappy and 7 to very happy. What is the role of probability in this statistical test? Question 7 Suppose you have administered a personality inventory to 12 people and have recorded their score on each item in SPSS.
Remember to name file appropriately. Male and female participants agree to follow either a high sugar or low sugar diet for eight weeks.
A n variable is a variable that meets the criteria for an interval and ratio variable.PSYCH WEEK 8 Week Eight Homework Exercise Do You need help with your school? Visit mint-body.com to learn about the great services I offer.
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PSYCH WEEK 8 Week Eight Homework Exercise DO YOU NEED HELP WITH YOUR SCHOOL?
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PSYCH WEEK 8 Week Eight Homework Exercise DO YOU NEED HELP WITH YOUR SCHOOL? DO YOU NEED HELP WITH.
mint-body.com is replication, and what role does it play in increasing the external validity or generalizability of a study? In what way is the IRB involved in using participants in a research study? Replication is described as or defined as copying something.
Replication in research studies provides a safeguard against limited generalizability.Download