
Exploring Quantitative Research Concepts
Authored by Derryn Nel
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University

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are the main types of quantitative research designs?
Qualitative, Descriptive, Meta-Analysis, Survey
Exploratory, Case Study, Longitudinal, Narrative
Experimental, Quasi-experimental, Correlational
Theoretical, Historical, Mixed Methods, Ethnographic
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Define descriptive statistics and its purpose.
Descriptive statistics are methods for manipulating data to fit a desired outcome.
Descriptive statistics are only used for predictive modeling.
Descriptive statistics involve complex mathematical theories.
Descriptive statistics are methods for summarizing and describing the main features of a dataset, used to provide insights into its characteristics.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the difference between nominal and ordinal levels of measurement?
Nominal and ordinal data both have a defined order.
Nominal data is always numerical; ordinal data is always categorical.
Nominal data has no order; ordinal data has a meaningful order.
Ordinal data can only be used for ranking; nominal data can be used for counting.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which statistical analysis technique is used to compare means between two groups?
ANOVA
Chi-square test
Regression analysis
t-test
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does a p-value indicate in hypothesis testing?
A p-value indicates the probability of obtaining test results at least as extreme as the observed results, under the assumption that the null hypothesis is true.
A p-value indicates the probability of the null hypothesis being true.
A p-value shows the likelihood of a Type I error occurring.
A p-value measures the strength of the null hypothesis.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Explain the concept of reliability in quantitative research.
Reliability refers to the accuracy of a measurement instrument.
Reliability is the degree to which a study can be replicated.
Reliability measures the validity of research findings.
Reliability in quantitative research is the consistency and stability of a measurement instrument over time.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of using a control group in experimental research?
The purpose of using a control group is to establish a baseline for comparison to isolate the effects of the independent variable.
To increase the sample size of the experiment.
To ensure all variables are controlled and equal.
To provide additional data for the independent variable.
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