Week 11-14

Question 1

What data collection methods are used in both quantitative and qualitative research designs?

Answer 1

Observational, Interviews, Questionnaires

Question 2

Descriptive statistics:

Answer 2

Allows researchers to describe, organise and summarise raw data.

Question 3

Inferential statistics:

Answer 3

Allow researchers to estimate how reliably they can make predictions and generalise their findings based on the data

Question 4

Dependent variable:

Answer 4

Is the Effect

Question 5

Independent variable:

Answer 5

Is the Cause

Question 6

Null hypothesis

Answer 6

Statement that there is no relationship between dependent & independent variables. For instance:
there is no difference in wound healing time between gauze dressing & no dressing.

Question 7

In statistical hypothesis testing

Answer 7

we accept the research hypothesis by rejecting (disproving) the null hypothesis

Question 8

Standard Deviation

Answer 8

The most frequently used measure of variability.
A measure of average deviation or distance of each
score from the group mean in a normal distribution.

Question 9

Variance

Answer 9

Measure of the variability that includes every score in the distribution rather than only 2 scores.