Power of Within-Subjects Designs Demonstration

Questions

Question 1 out of 4.

Increasing the correlation between measures:

  1. increases power.
  2. decreases power.
  3. has no effect on power.
Question 2 out of 4.

Increasing the population variance:

  1. increases power.
  2. decreases power.
  3. has no effect on power.
Question 3 out of 4.

Increasing the difference between population means:

  1. increases power.
  2. decreases power.
  3. has no effect on power.
Question 4 out of 4.

Assuming the hypothesized direction of the effect is correct, a one-tailed test is:

  1. more powerful than a two-tailed test.
  2. less powerful than a two-tailed test.
  3. has the same power as a two-tailed test.
Callback before_footer in local_aigrade component should be migrated to new hook callback for core\hook\output\before_footer_html_generation
  • line 7225 of /lib/moodlelib.php: call to debugging()
  • line 7292 of /lib/moodlelib.php: call to {closure}()
  • line 71 of /lib/classes/hook/output/before_footer_html_generation.php: call to get_plugins_with_function()
  • line 987 of /lib/classes/output/core_renderer.php: call to core\hook\output\before_footer_html_generation->process_legacy_callbacks()
  • line 154 of /mod/book/view.php: call to core\output\core_renderer->footer()