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Quiz on Research Methods - A2 Psychology, created by connie.coombs on 05/06/2014.

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Research Methods - A2 Psychology

Question 1 of 27

1

Wilcoxon is used when testing for a difference.

Select one of the following:

  • True
  • False

Explanation

Question 2 of 27

1

Chi-square is used when testing for a correlation.

Select one of the following:

  • True
  • False

Explanation

Question 3 of 27

1

Spearman's Rho is used when testing for a difference.

Select one of the following:

  • True
  • False

Explanation

Question 4 of 27

1

Mann-Whitney is used when testing for a difference.

Select one of the following:

  • True
  • False

Explanation

Question 5 of 27

1

What statistical test is used when the data is correlational?

Select one of the following:

  • Mann-Whitney

  • Chi-Square

  • Spearman's Rho

  • Wilcoxon

Explanation

Question 6 of 27

1

What statistical test is used when the data is nominal?

Select one of the following:

  • Spearman's Rho

  • Chi-Square

  • Wilcoxon

  • Mann-Whitney

Explanation

Question 7 of 27

1

Which statistical test is used when there is an independent groups design?

Select one of the following:

  • Wilcoxon

  • Spearman's Rho

  • Chi-Square

  • Mann-Whitney

Explanation

Question 8 of 27

3

Which three of these apply to the Wilcoxon test?

Select one or more of the following:

  • Data is ordinal, interval or ratio

  • Data is nominal

  • Used when testing for a difference

  • Used with an independent groups design

  • Used with a repeated measures design

  • Used when the sets of data are related

Explanation

Question 9 of 27

1

Psychologists most often use a probability of 95%, so there's a 5% chance the results aren't significant.

Select one of the following:

  • True
  • False

Explanation

Question 10 of 27

1

Which type of error states that the results aren't significant, when in fact they are?

Select one of the following:

  • Type 1

  • Type 2

Explanation

Question 11 of 27

1

Which type of error states that the results are significant, when in fact they're due to chance?

Select one of the following:

  • Type 1

  • Type 2

Explanation

Question 12 of 27

1

A one-tailed test is used in conjunction with a directional hypothesis.

Select one of the following:

  • True
  • False

Explanation

Question 13 of 27

1

A two-tailed test can only be used with a non-directional hypothesis.

Select one of the following:

  • True
  • False

Explanation

Question 14 of 27

1

What is a directional hypothesis?

Select one of the following:

  • A hypothesis that states the results will go a certain way, e.g. 'I predict women eat more food than men'

  • A hypothesis that states there will be a difference, but doesn't say in which way, e.g. 'I predict there will be a difference between the amount that women and men eat'

Explanation

Question 15 of 27

1

What is a null hypothesis?

Select one of the following:

  • States there will be a difference, but doesn't say which way results will go, e.g. 'I predict there will be a difference in the amount women and men eat'

  • States the results will be due to chance, e.g. 'There will be no significant difference in the amount men and women eat'

Explanation

Question 16 of 27

2

Give two strengths of lab experiments.

Select one or more of the following:

  • Greatest control over independent variable

  • Higher ecological validity

  • Few demand characteristics

  • Control over ethics

Explanation

Question 17 of 27

2

Give two weaknesses of natural experiments.

Select one or more of the following:

  • Demand characteristics

  • No control over extraneous variables

  • Low ecological validity

  • Ethical issues

Explanation

Question 18 of 27

2

Give one strength and one weakness of field experiments.

Select one or more of the following:

  • Higher ecological validity than lab studies

  • Full control over independent variables

  • Less control over extraneous variables

  • High risk of demand characteristics

Explanation

Question 19 of 27

1

Demand characteristics are where the participants become aware (either consciously or subconsciously) of the aims of the study, and alter their behaviour as such.

Select one of the following:

  • True
  • False

Explanation

Question 20 of 27

1

What are investigator effects?

Select one of the following:

  • Anything the investigator does which has an effect on the behaviour of participants

  • Where the participants become aware of the aims of the study and alter their behaviour as such

  • Features of a research situation that alter the behaviour of participants, such as the time of day, temperature, noise levels etc.

Explanation

Question 21 of 27

1

What is the difference between participant effects and participant variables?

Select one of the following:

  • Participant effects is a general term to acknowledge the fact that p's behaviour can be influenced by being in a study; participant variables are characteristics of individual p's that can influence the outcome of a study

  • Participant effects are characteristics of individual p's that can influence the outcome of a study; participant variables is a general term to acknowledge the fact that p's behaviour can be influenced by being in a study

Explanation

Question 22 of 27

1

Single blind tests are where the participants don't know the aims of the study.

Select one of the following:

  • True
  • False

Explanation

Question 23 of 27

1

Double blind tests are where the neither participants nor experimenters know the aims of the study.

Select one of the following:

  • True
  • False

Explanation

Question 24 of 27

2

How can situational variables be overcome? (Give two answers.)

Select one or more of the following:

  • Standardisation

  • Double blind

  • Counterbalancing

  • Anonymity

  • Matched pairs

Explanation

Question 25 of 27

1

Order effects can be overcome using counterbalancing.

Select one of the following:

  • True
  • False

Explanation

Question 26 of 27

1

Volunteer bias can be overcome using random sampling.

Select one of the following:

  • True
  • False

Explanation

Question 27 of 27

1

There are seven ethical considerations needed when conducting human research.

Select one of the following:

  • True
  • False

Explanation

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