Research methods MCQ (2020)

In which type of correlation do both variables increase at the same or similar rate?

• Negative

• Positive

• Skewed

• Zero

Which of these best describes when the null hypothesis has been incorrectly rejected?

• critical error

• statistical error

• type 1 error

• type 2 error

When data contains anomalies, which of these is it best to use?

• mean

• median

• mode

• percentage

Which inferential statistical test uses degrees of freedom (df) to find the critical value?

• Chi-square

• Mann-whitney U

• Spearman's Rho

• Wilcoxon signed ranks

In a study investigating the difference in ratings (on a scale of 0 to 100) of self-esteem between males and females, which would be the appropriate inferential test to use to analyse the data?

• Binomial sign

• Chi-square

• Mann-whitney U

• Wilcoxon signed ranks

Which of these indicates the probability is less than 5%?

• p<0.5

• p>0.05

• p<0.05

• p>0.005

Which of these features is needed to choose a test of statistical significance?

• central tendency

• level of data

• sample size

• standard deviation

Which of these is the name of a technique for recording data when using the observation method?

• participant sampling

• random sampling

• time sampling

• quota sampling

Which of these best describes what the standard deviation informs us?

• dispersion around the mean

• dispersion around the median

• dispersion around the mode

• dispersion around the range

In the study by Moray (1959) investigating auditory attention, what best describes the research method used?

• field experiment

• laboratory experiment using a mixture of repeated measures and independent measures

  design

• laboratory experiment using independent measures design

• quasi experiment