Hypotheses and statistical tests
a year ago
misswood76
Save
Edit
Host a game
Live GameLive
Homework
Solo Practice
Practice
10 QuestionsShow answers
  • Question 1
    30 seconds
    Q.

    There is a difference between the life satisfaction scores (on a self reported scale of 1-10) of those people with over 1000 Instagram followers and those people with less than 50 followers.

    answer choices

    directional; requires a one-tailed test

    non-directional; requires a two tailed test

  • Question 2
    30 seconds
    Q.

    Males are faster (in minutes and seconds) at solving 10 mental arithmetic problems than females.

    answer choices

    Directional; one tailed

    Non-directional; two tailed

  • Question 3
    30 seconds
    Q.

    People with low self esteem (under 5 on a self esteem questionnaire, ranging 0-20) are more likely to verbally criticise an out-group member who loses a task than people with high self-esteem (over 15 on the self esteem questionnaire).

    answer choices

    Directional (one tailed)

    Non-directional (two tailed)

  • Question 4
    30 seconds
    Q.

    There is a correlation between body-image satisfaction (self reported scale of 1-7) and number of Instagram followers for British school girls aged 12-14.

    answer choices

    directional (one tailed)

    non-directional (two tailed)

  • Question 5
    30 seconds
    Q.

    There is a positive correlation between the amount of cortisol detected in a saliva swab and the number of hours spent in day care in toddlers aged 12 months to three years.

    answer choices

    directional (one tailed)

    non-directional (two tailed)

  • Question 6
    30 seconds
    Q.

    The larger the hippocampus (number of pixels on an MRI brain scan) the less mistakes made on a spatial memory task.

    answer choices

    directional (one tailed)

    non-directional (two tailed)

  • Question 7
    30 seconds
    Q.

    Participants observed to help an elderly confederate to cross the road are more likely to also give a donation to a homeless person also played by a confederate.

    answer choices

    directional (one tailed)

    non-directional (two tailed)

  • Question 8
    30 seconds
    Q.

    People get higher scores on a computer game (showing faster reaction times) after watching a three minute violent movie clip than before watching the movie clip.

    answer choices

    Directional (one tailed)

    Non-Directional (two tailed)

  • Question 9
    30 seconds
    Q.

    There is a significant difference in the level of empathic concern of people who have resist orders to harm a stranger compared with those who obey such orders

    answer choices

    directional (one tailed)

    non-directional (two-tailed)

  • Question 10
    30 seconds
    Q.

    When confronted with a spider, there is a correlation between heart rate (beats per minute) and number of sessions of systematic desensitisation attended for people with arachnophobia.

    answer choices

    Directional (one tailed)

    Non-directional (two tailed)

Report Quiz
Join a game