Master Quantitative Data Analysis in Social Care Research

Question 1

Which of the following is the first step in analyzing quantitative data?

Accepted Answer

Identify the research question.

Answer

Collect the data.

Answer

Calculate the mean.

Answer

Draw a graph.

Question 2

What is the difference between a dependent and an independent variable?

Accepted Answer

The dependent variable is influenced by the independent variable.

Answer

Both variables are independent of each other.

Answer

The independent variable is influenced by the dependent variable.

Question 3

Which of the following measures of central tendency is most sensitive to outliers?

Accepted Answer

Mean

Answer

Variance

Answer

Median

Answer

Mode

Question 4

What is the purpose of a correlation coefficient?

Accepted Answer

To measure the strength and direction of the relationship between two variables.

Answer

To test the significance of a difference between two groups.

Answer

To describe the distribution of a variable.

Question 5

Which of the following tests is used to compare the means of two independent groups?

Accepted Answer

t-test

Answer

Chi-square test

Answer

ANOVA

Answer

Regression analysis

Question 6

What is the significance level of a statistical test?

Accepted Answer

The probability of rejecting the null hypothesis when it is true.

Answer

The probability of accepting the null hypothesis when it is false.

Answer

The probability of making a Type I error.

Question 7

What is the difference between a parametric and a non-parametric test?

Accepted Answer

Parametric tests assume that the data are normally distributed, while non-parametric tests do not.

Answer

Non-parametric tests are more difficult to interpret than parametric tests.

Answer

Parametric tests are more powerful than non-parametric tests.

Question 8

What is the role of technology in data analysis for quantitative research?

Accepted Answer

To automate tasks and improve efficiency.

Answer

To eliminate the possibility of bias.

Answer

To guarantee accurate results.

Answer

To replace the need for human researchers.

Question 9

What are the limitations of quantitative research?

Accepted Answer

It can be reductionist and may not capture the complexity of human experience.

Answer

It is not suitable for exploratory research.

Answer

It is not generalizable to other populations.