2A Statistics
18 Questions
2 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

Power can be thought of as:

  • The ability of a test to correctly reject the alternative hypothesis
  • The ability of a test to correctly retain the null hypothesis.
  • The ability of a test to find a significant finding when there isn't one to be found. (correct)
  • The ability of a test to find a significant finding when there is one to be found (correct)
  • What of these elements does not impact Power

  • The Population tested (correct)
  • The Type I Error rate
  • The N
  • The Effect Size
  • When using the SESOI to determine an effect size, you are

  • using rules of thumb to determine the effect size
  • using the effect size you would determine relevant in your field (correct)
  • using previous published articles to determine the effect size
  • If you run a one-sample t-test against a value of 150, the 150 is known as

    <p>The criterion value</p> Signup and view all the answers

    An effect size of Cohen's d = .9, would most likely be considered

    <p>Large</p> Signup and view all the answers

    Type 2 Error is also known as the False Positive Rate

    <p>False</p> Signup and view all the answers

    What is considered low power in psychology?

    <p>Under .8</p> Signup and view all the answers

    APES stands for

    <p>Alpa, Power, Effect Size, Sample Size</p> Signup and view all the answers

    What are the 2 things Alpha is used to determine?

    <p>The Effect Size and Sample Size</p> Signup and view all the answers

    SESOI stands for: ___ Effect ___ __ ____

    <p>Smallest Size Of Interest</p> Signup and view all the answers

    The Assumptions of a One-Sample T-Test are:

    <p>Continuous Scale Independent Scores Normally Distributed</p> Signup and view all the answers

    If you run a study with 20 people in one condition and 20 different people in a second condition, which test would you use? All participants have been randomly selected.

    <p>between-subjects t-test</p> Signup and view all the answers

    If you run 20 people in two conditions, with all 20 taking part in both conditions, which t-test would you run?

    <p>within-subjects t-test</p> Signup and view all the answers

    If you run twenty people in a study and want to compare their mean value to chance level, which t-test would you use?

    <p>one-sample t-test</p> Signup and view all the answers

    Which of these is the degrees of freedom of a within-subjects t-test with 15 people in the group?

    <p>14</p> Signup and view all the answers

    If your degrees of freedom was 29, but your look-up table only went up in tens, which df row would you use?

    <p>df = 20</p> Signup and view all the answers

    Regardless of the t-test you carry out, if the critical value is 2.02 and your t-value is 2, then your test is:

    <p>non-significant, p &gt; .05</p> Signup and view all the answers

    Which of these is not an assumption of the within-subjects t-test? (select all that apply)

    <p>Independent Scores</p> Signup and view all the answers

    More Like This

    2A
    12 questions

    2A

    DazzlingSolarSystem avatar
    DazzlingSolarSystem
    2a. Stade Sensorimoteur
    46 questions

    2a. Stade Sensorimoteur

    SuccessfulPoltergeist avatar
    SuccessfulPoltergeist
    2A
    40 questions

    2A

    AffluentRisingAction9914 avatar
    AffluentRisingAction9914
    Use Quizgecko on...
    Browser
    Browser