APU PSYC300 2019 January Week 7 Quiz Chapters 12 and 13 Latest

PSYC300 Research Methods in Psychology

Week 7 Quiz Chapters 12 and 13

Question 1

______ refers to a set of techniques for summarizing and displaying data.

  A.  A distribution

  B.  A histogram

  C.  An outlier

    D.  Descriptive statistics

 

 

Question 2

An alternative to the mean is the ______.

  A.  mode

  B.  median

  C.  tendency

    D.  central tendency

 

 

Question 3

The _______ of a distribution is the extent to which the scores vary around their central tendency.

  A.  range

  B.  frequency

  C.  standard deviation

    D.  variability

 

 

Question 4

The location of a score within its distribution can be described using percentile ranks or _____.

  A.  t scores

  B.  central tendency

  C.  standard deviation

    D.  z scores

 

 

Question 5

It is also important to be able to describe the strength of a statistical relationship, which is often referred to as the ______.

  A.  Cohen’s d

  B.  standard deviation

    C.  correlation

  D.  effect size

 

 

Question 6 of 10 0.0/ 3.0 Points

To compare two means, the most common null hypothesis test is the _______.

  A.  Pearson’s r

  B.  factorial ANOVA

    C.  ANOVA

  D.  t test

 

 

Question 7

A ______ is a statistic that is computed only to help find the p value

  A.  t test

  B.  one-sample t test

  C.  critical value

    D.  test statistic

 

 

Question 8 of 10 0.0/ 3.0 Points

Statistical significance is not the same as _____ or ______.

  A.  probability, sampling size

  B.  relationship strength, importance

  C.  probability, outliers

    D.  null hypothesis, statistical relationship

 

 

Question 9

_____ testing is a formal approach to deciding whether a statistical relationship in a sample reflects a real relationship in the population or is just due to chance.

  A.  Population

    B.  Null hypothesis

  C.  Sampling

  D.  Hypothesis

 

 

Question 10

The corresponding values in the population are called ____.

  A.  outliers

  B.  errors

  C.  sampling errors

    D.  parameters