Home

All

Questions Type

When comparing pre-competition arousal scores in novice and expert tennis players you find that the scores for the novice group are not normally distributed. What test should be run to see if arousal scores are statistically different?

Free

Multiple Choice

Answer:

Answer:

B

Analyse the heart rate data collected during a VO_{2 }max test. The data points (observations) were collected at the point the lactate threshold occurred (the point at which blood lactate deviates from resting concentrations) before and after a six-week aerobic training programme. Interpret the SPSS output and decide whether the two data sets are normally distributed.

Multiple Choice

Answer:

Run an independent t-test on the data. A Levene's test result of p = .006 was obtained. What can we infer from this number?

Multiple Choice

Answer:

Suppose we wanted to apply a one-tailed test as opposed to a two-tailed test. How would we covert a significance of p = .284?

Multiple Choice

Answer:

How might you classify the measurement scale for the variable labelled as cancer?

Multiple Choice

Answer:

Once you have the significance value of the t-test, it is beneficial to calculate the effect size. Cohen's d is a measure of effect size. How is it calculated?

Multiple Choice

Answer:

Analyse the data below related to days survival following surgery from either stomach or lung cancer. What is the result of the Kolmogorov-Smirnov test for the patients who survived stomach cancer?

Multiple Choice

Answer:

How might you classify the measurement scale of the survival rate (days)?

Multiple Choice

Answer:

Assume that for the research into stomach and lung cancer the significance value is set at p < .05 and an independent t-test yielded a significance value of p = .06. What should you do?

Multiple Choice

Answer:

Which of the following expressions best represents the degrees of freedom?

Multiple Choice

Answer:

When analysing the result of the paired samples t-test, the output presents the following box, but what do the results show you?

Multiple Choice

Answer:

Examine the following SPSS output from the heart rate data. Based on 11 degrees of freedom, working to a two-tailed significance value of .05, the critical value for t is 2.201. What can you assume from the output? (The significance value has been omitted on purpose.)

Multiple Choice

Answer:

If a significance result of .000 is presented, how should this be reported?

Multiple Choice

Answer: