U1AOS1 Science Skills

Question 1

Aim

Answer 1

Statement outlining the purpose of the investigation

Question 2

Elements of an operationalised hypothesis

Answer 2

Population, IV, control, how will this be measured

Question 3

Within subjects design

Answer 3

Participants complete every experimental condition

Question 4

Between subjects design

Answer 4

Individuals are divided into different groups and complete only one experimental condition

Question 5

Mixed design

Answer 5

Combines elements of within subjects and between subjects design

Question 6

Case studies

Answer 6

In depth investigation of an individual, group or particular phenomenon that contains a real or hypothetical situation

Question 7

Correlational studies

Answer 7

Non experimental study where researchers observe and measure the relationship between two or more variables without any manipulation of them.

Question 8

Convenience sampling

Answer 8

Readily available members of the population

Question 9

Random sampling

Answer 9

Ensures every member of the population has the same chance of being selected

Question 10

Stratified sampling

Answer 10

Involves selecting people from the population in a way that it’s strata are proportionally represented in the sample

Question 11

Extraneous variables

Answer 11

Not IV but MAY cause unwanted effect on dependant variable

Question 12

Confounding variable

Answer 12

Variable that HAS directly and systematically affected the DV that isn’t the IV