Podcast
Questions and Answers
In experimental research, which variable is manipulated by the experimenter?
In experimental research, which variable is manipulated by the experimenter?
- Extraneous variable
- Nuisance variable
- Dependent variable
- Independent variable (correct)
What is the purpose of conducting Shapiro-Wilk test for normality?
What is the purpose of conducting Shapiro-Wilk test for normality?
- To determine the sample size adequacy
- To control for extraneous variables
- To test causal relationships
- To check the distribution of a small sample (correct)
Which type of sampling method involves selecting individuals who are nearby and willing to participate?
Which type of sampling method involves selecting individuals who are nearby and willing to participate?
- Stratified sampling
- Convenience sampling (correct)
- Systematic sampling
- Random sampling
What is the purpose of operational definition in research?
What is the purpose of operational definition in research?
What is the purpose of measures of central tendency in a distribution of scores?
What is the purpose of measures of central tendency in a distribution of scores?
In experimental research, how are means and standard deviations typically used?
In experimental research, how are means and standard deviations typically used?
Which error occurs when researchers fail to identify a real effect in the population due to setting the significance threshold too low?
Which error occurs when researchers fail to identify a real effect in the population due to setting the significance threshold too low?
What is an essential difference in data analysis between experimental and non-experimental research?
What is an essential difference in data analysis between experimental and non-experimental research?
What does the correlation coefficient describe?
What does the correlation coefficient describe?
What is the purpose of inferential statistics?
What is the purpose of inferential statistics?
What is a Type I error?
What is a Type I error?
Why do scientists avoid using the term 'prove' when discussing theories?
Why do scientists avoid using the term 'prove' when discussing theories?
