{"id":729,"date":"2021-08-27T02:53:07","date_gmt":"2021-08-27T06:53:07","guid":{"rendered":"https:\/\/pressbooks.bccampus.ca\/statspsych\/?post_type=chapter&p=729"},"modified":"2021-09-01T11:03:32","modified_gmt":"2021-09-01T15:03:32","slug":"homework-chapter-8","status":"publish","type":"chapter","link":"https:\/\/pressbooks.bccampus.ca\/statspsych\/chapter\/homework-chapter-8\/","title":{"raw":"Homework Chapter 8","rendered":"Homework Chapter 8"},"content":{"raw":"Assignment:<\/strong>\r\n\r\nObjective: Apply concepts Factors and Levels<\/em>\r\n
    \r\n \t
  1. A psychology honours students is conducting a study to determine whether various categories of social support can impact cognitive performance. They measure response times on the Stroop task in people who report a low, medium, or high degree of social support from friends. In this research design, the factor is ______________.<\/li>\r\n \t
  2. A psychology honours students is conducting a study to determine whether various categories of social support can impact cognitive performance. They measure response times on the Stroop task in people who report a low, medium, or high degree of social support from friends. In this research design, the levels are ______________.<\/li>\r\n<\/ol>\r\n\u00a0<\/em>\r\n\r\nObjective: Apply techniques Conducting a Dependent Means t-test<\/em>\r\n
      \r\n \t
    1. A psychology honours students is conducting a study to determine whether various categories of social support can impact cognitive performance. They measure response times on the Stroop task in people who report a low, medium, or high degree of social support from friends. The scores for the research samples are presented in the table below, in seconds. Conduct a hypothesis test of the researcher\u2019s prediction with significance level .05. The populations should be defined as ______________.<\/li>\r\n<\/ol>\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n
      Low<\/em><\/strong><\/td>\r\nMed<\/em><\/strong><\/td>\r\nHigh<\/em><\/strong><\/td>\r\n<\/tr>\r\n
      9.15<\/td>\r\n6.35<\/td>\r\n7.30<\/td>\r\n<\/tr>\r\n
      9.00<\/td>\r\n8.00<\/td>\r\n7.34<\/td>\r\n<\/tr>\r\n
      8.56<\/td>\r\n8.24<\/td>\r\n9.20<\/td>\r\n<\/tr>\r\n
      10.10<\/td>\r\n6.80<\/td>\r\n6.55<\/td>\r\n<\/tr>\r\n
      9.02<\/td>\r\n6.39<\/td>\r\n7.49<\/td>\r\n<\/tr>\r\n
      8.18<\/td>\r\n7.40<\/td>\r\n7.24<\/td>\r\n<\/tr>\r\n
      7.30<\/td>\r\n7.29<\/td>\r\n10.66<\/td>\r\n<\/tr>\r\n
      7.88<\/td>\r\n<\/td>\r\n<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n \r\n
        \r\n \t
      1. For the research scenario described in problem 3, the hypotheses should be defined as ______________.<\/li>\r\n \t
      2. For the research scenario described in problem 3, the characteristics of the comparison distribution should be defined as ______________.<\/li>\r\n \t
      3. For the research scenario described in problem 3, the cutoff F score should be ______________.<\/li>\r\n \t
      4. For the research scenario described in problem 3, the calculated F-test result should be ______________.<\/li>\r\n \t
      5. For the research scenario described in problem 3, the hypothesis test decision should be ______________.<\/li>\r\n \t
      6. For the research scenario described in problem 3, the p-value associated with the F-test result is _____________.<\/li>\r\n \t
      7. For the research scenario described in problem 3, the conclusion as written in a published results section could be ______________.<\/li>\r\n<\/ol>\r\n \r\n\r\nObjective: Apply concepts Experimentwise alpha level<\/em>\r\n
          \r\n \t
        1. A psychology honours students is conducting a study to determine whether various categories of social support can impact cognitive performance. They measure response times on the Stroop task in people who report a low, medium, or high degree of social support from friends. If t-tests were used to conduct tests of statistically significant difference between means, at significance level .05, the experimentwise alpha level would effectively become ______________.<\/li>\r\n<\/ol>\r\n \r\n\r\nObjective: Apply concepts Planned Contrasts and Posthoc tests<\/em>\r\n
            \r\n \t
          1. Given the results of the one-way ANOVA analysis conducted for the research scenario described in problem 3, the researchers would conduct the following analyses to explore which groups differed significantly from each other: ______________.<\/li>\r\n<\/ol>\r\n \r\n\r\nObjective: Review techniques Bonferroni and Scheff<\/em>\u00e9 Corrections<\/em>\r\n
              \r\n \t
            1. The Bonferroni correction is typically used for planned contrasts and protects against inflation of Type I error risk by ______________.<\/li>\r\n \t
            2. The Scheff\u00e9 correction is typically used for post-hoc tests and protects against inflation of Type I error risk by ______________.<\/li>\r\n<\/ol>","rendered":"

              Assignment:<\/strong><\/p>\n

              Objective: Apply concepts Factors and Levels<\/em><\/p>\n

                \n
              1. A psychology honours students is conducting a study to determine whether various categories of social support can impact cognitive performance. They measure response times on the Stroop task in people who report a low, medium, or high degree of social support from friends. In this research design, the factor is ______________.<\/li>\n
              2. A psychology honours students is conducting a study to determine whether various categories of social support can impact cognitive performance. They measure response times on the Stroop task in people who report a low, medium, or high degree of social support from friends. In this research design, the levels are ______________.<\/li>\n<\/ol>\n

                \u00a0<\/em><\/p>\n

                Objective: Apply techniques Conducting a Dependent Means t-test<\/em><\/p>\n

                  \n
                1. A psychology honours students is conducting a study to determine whether various categories of social support can impact cognitive performance. They measure response times on the Stroop task in people who report a low, medium, or high degree of social support from friends. The scores for the research samples are presented in the table below, in seconds. Conduct a hypothesis test of the researcher\u2019s prediction with significance level .05. The populations should be defined as ______________.<\/li>\n<\/ol>\n\n\n\n\n\n\n\n\n\n\n\n
                  Low<\/em><\/strong><\/td>\nMed<\/em><\/strong><\/td>\nHigh<\/em><\/strong><\/td>\n<\/tr>\n
                  9.15<\/td>\n6.35<\/td>\n7.30<\/td>\n<\/tr>\n
                  9.00<\/td>\n8.00<\/td>\n7.34<\/td>\n<\/tr>\n
                  8.56<\/td>\n8.24<\/td>\n9.20<\/td>\n<\/tr>\n
                  10.10<\/td>\n6.80<\/td>\n6.55<\/td>\n<\/tr>\n
                  9.02<\/td>\n6.39<\/td>\n7.49<\/td>\n<\/tr>\n
                  8.18<\/td>\n7.40<\/td>\n7.24<\/td>\n<\/tr>\n
                  7.30<\/td>\n7.29<\/td>\n10.66<\/td>\n<\/tr>\n
                  7.88<\/td>\n<\/td>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

                   <\/p>\n

                    \n
                  1. For the research scenario described in problem 3, the hypotheses should be defined as ______________.<\/li>\n
                  2. For the research scenario described in problem 3, the characteristics of the comparison distribution should be defined as ______________.<\/li>\n
                  3. For the research scenario described in problem 3, the cutoff F score should be ______________.<\/li>\n
                  4. For the research scenario described in problem 3, the calculated F-test result should be ______________.<\/li>\n
                  5. For the research scenario described in problem 3, the hypothesis test decision should be ______________.<\/li>\n
                  6. For the research scenario described in problem 3, the p-value associated with the F-test result is _____________.<\/li>\n
                  7. For the research scenario described in problem 3, the conclusion as written in a published results section could be ______________.<\/li>\n<\/ol>\n

                     <\/p>\n

                    Objective: Apply concepts Experimentwise alpha level<\/em><\/p>\n

                      \n
                    1. A psychology honours students is conducting a study to determine whether various categories of social support can impact cognitive performance. They measure response times on the Stroop task in people who report a low, medium, or high degree of social support from friends. If t-tests were used to conduct tests of statistically significant difference between means, at significance level .05, the experimentwise alpha level would effectively become ______________.<\/li>\n<\/ol>\n

                       <\/p>\n

                      Objective: Apply concepts Planned Contrasts and Posthoc tests<\/em><\/p>\n

                        \n
                      1. Given the results of the one-way ANOVA analysis conducted for the research scenario described in problem 3, the researchers would conduct the following analyses to explore which groups differed significantly from each other: ______________.<\/li>\n<\/ol>\n

                         <\/p>\n

                        Objective: Review techniques Bonferroni and Scheff<\/em>\u00e9 Corrections<\/em><\/p>\n

                          \n
                        1. The Bonferroni correction is typically used for planned contrasts and protects against inflation of Type I error risk by ______________.<\/li>\n
                        2. The Scheff\u00e9 correction is typically used for post-hoc tests and protects against inflation of Type I error risk by ______________.<\/li>\n<\/ol>\n","protected":false},"author":1394,"menu_order":8,"template":"","meta":{"pb_show_title":"on","pb_short_title":"","pb_subtitle":"","pb_authors":[],"pb_section_license":""},"chapter-type":[48],"contributor":[],"license":[],"class_list":["post-729","chapter","type-chapter","status-publish","hentry","chapter-type-numberless"],"part":677,"_links":{"self":[{"href":"https:\/\/pressbooks.bccampus.ca\/statspsych\/wp-json\/pressbooks\/v2\/chapters\/729","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pressbooks.bccampus.ca\/statspsych\/wp-json\/pressbooks\/v2\/chapters"}],"about":[{"href":"https:\/\/pressbooks.bccampus.ca\/statspsych\/wp-json\/wp\/v2\/types\/chapter"}],"author":[{"embeddable":true,"href":"https:\/\/pressbooks.bccampus.ca\/statspsych\/wp-json\/wp\/v2\/users\/1394"}],"version-history":[{"count":2,"href":"https:\/\/pressbooks.bccampus.ca\/statspsych\/wp-json\/pressbooks\/v2\/chapters\/729\/revisions"}],"predecessor-version":[{"id":731,"href":"https:\/\/pressbooks.bccampus.ca\/statspsych\/wp-json\/pressbooks\/v2\/chapters\/729\/revisions\/731"}],"part":[{"href":"https:\/\/pressbooks.bccampus.ca\/statspsych\/wp-json\/pressbooks\/v2\/parts\/677"}],"metadata":[{"href":"https:\/\/pressbooks.bccampus.ca\/statspsych\/wp-json\/pressbooks\/v2\/chapters\/729\/metadata\/"}],"wp:attachment":[{"href":"https:\/\/pressbooks.bccampus.ca\/statspsych\/wp-json\/wp\/v2\/media?parent=729"}],"wp:term":[{"taxonomy":"chapter-type","embeddable":true,"href":"https:\/\/pressbooks.bccampus.ca\/statspsych\/wp-json\/pressbooks\/v2\/chapter-type?post=729"},{"taxonomy":"contributor","embeddable":true,"href":"https:\/\/pressbooks.bccampus.ca\/statspsych\/wp-json\/wp\/v2\/contributor?post=729"},{"taxonomy":"license","embeddable":true,"href":"https:\/\/pressbooks.bccampus.ca\/statspsych\/wp-json\/wp\/v2\/license?post=729"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}