EDUC 3026 - Lecture 7 - Quantitative Research 1

What are the primary methods of analyzing and interpreting quantitative data?

• Quantitative or mixed

• Descriptive or inferential statistics

• Significance tests or correlational tests

• Survey or experiments

Of the following, choose the main quantitative research designs:

• (Quasi)/experiments

• Survey

• Semi-structured interview

• Census

Identify the independent variable in the following study: "Will computer-mediated training on a listening comprehension task help ESL learners to perform better?"

• Learners' performance on a listening comprehension task

• The presence of computer-mediated training

• A listening comprehension tasks

• ESL learners

Identify the independent variables (Hint: there are two): 'Do Japanese users of English improve their English writing fluency over time, and do the students in this group who studied abroad improve more than those who never left Japan'.

• Time

• Whether or not the users studied abroad

• English writing fluency

• Japanese users of English

Identify the dependent variables: 'the study examines the impact of the participants' place of residence (urban, semi-urban, rural) on their incidence of asthma and other respiratory illnesses.'

• Incidence of asthma

• Incidence of respiratory illnesses

• Incidence of residence (urban, semi-urban, rural)

• Impact on participants

Which of the following matches the definition of 'median'

• Arithmetic average

• The category that has the most data

• A value that splits the data into two halves: one half smaller, one half larger.

A correlation coefficient (r) of 0.50 would be considered a...

• Weak negative correlation

• Moderate positive correlation

• Strong positive correlation

• Moderate negative correlation

Which of the following is NOT one of the three kinds of t-tests?

• Paired sample t-test

• Independent samples t-test

• One-sample t-test

• Adjacent sample t-test

I am conducting a quasi-experimental study which involves the use of flipped classrooms to teach grammar. I will be conducting a pre- and post-test on a single group of students to gauge the impact of the intervention. Which t-test would be best suited to analysing the data?

• Paired-sample t-test

• Independent samples t-test

• Two sample t-test

• One sample t-test

I have completed a survey on teacher self-efficacy among 200 teachers (120 female, 80 male). I would like to test the likelihood that there is a significant difference between the sexes. If I were using t-tests, which one should I use?

• Paired-sample t-test

• Independent samples t-test

• One sample t-test

• Linked sample t-tests