aims and hypotheses

Question 1

what is an aim

Answer 1

a general statement about the aims of the investigation

Question 2

what is a hypothesis

Answer 2

a very specific, testable Statement or prediction regarding the outcome of the investigation

Question 3

what is operationalisation of variables

Answer 3

making them clear, specific, and measurable

Question 4

what are the main 2 types of hypotheses

Answer 4

experimental (alternative) hypothesis
null hypothesis

Question 5

what is an experimental hypothesis

Answer 5

predicts there will be a significant difference or relationship between the means/variables
it can be 2 different ways directional or non directional

Question 6

what is a directional (one tailed) hypothesis

Answer 6

more specific and predicts the direction of the findings
it will use words such as higher/lower, more/less, faster/slower.

Question 7

what is a non directional (two tailed) hypothesis

Answer 7

it is more general. it simply states there will be an effect/difference or relationship

Question 8

what is a null hypothesis

Answer 8

this will predict that there will be no effect/difference or association/relationship found
any effects found are due to chance factors