inquiry

Question 1

what are the 4 variables

Answer 1

iv, dv.cv
extraneous variable

Question 2

what is a directional hypothesis

Answer 2

a hypothesis that states the relationship between 2 variables

eg. Students who study for at least two hours per night will achieve significantly higher test scores than those who study for less than one hour per night

Question 3

independant variable

Answer 3

the hting we are testing

Question 4

depedant variable

Answer 4

the variable we measure

Question 5

controlled variables

Answer 5

every other variable kept the same

Question 6

extraneous variable

Answer 6

any factor that can affect the outcome of a study, but is not the main focus of the study

eg.age, gender, ethnicity, intelligence, personality traits, and health status

Question 7

what are the 2 types of data?

Answer 7

qualitative and quantitative

Question 8

what is qualitative data?

Answer 8

• categories, written in words
• it is normally asked in an open ended question

Question 9

pros of qualitative data?

Answer 9

• in depth understanding
• why and how

Question 10

cons of qualitative data?

Answer 10

• subject to researcher bias
• time and resource consuming

Question 11

what is quantitative data?

Answer 11

• numerical

Question 12

pros of quantitative data?

Answer 12

statistics analysis
reliable
efficient
not objective

Question 13

cons of quantitative data?

Answer 13

oversimplification
lack of context
reliance on assumptions

Question 14

primary data

Answer 14

straight from source
direct observation

Question 15

secondary data?

Answer 15

• data obtained through other people’s work
• when researchers use previous knowledge used in their own study

Question 16

subjective data

Answer 16

based on an opinion
- data collected through observations of behaviour

Question 17

what is bad about subjective data?

Answer 17

hard to compare and analyse because it involves attitudes and opinions of the researcher

Question 18

objective data

Answer 18

-data that can be observed and measured.
-it is often numerical
-based on facts

Question 19

what is bad about objective data?

Answer 19

does not take into account reasoning or external measures

Question 20

eg of objective psychological measure

Answer 20

heart rate, breathing rate, galvanic skin response

Question 21

eg of subjective psychological measures

Answer 21

checklists, rating scales (likert scales)

Question 22

quantitative data can be collected through

Answer 22

objective measures and subjective measures

Question 23

qualitative data can be collected through

Answer 23

interviews, open ended surveys