psychology experimental metods

how are aims developed

from theories

what is an aim?

general statements that describes the purpose of an investigation

what is a hypothesis?

a statement made as the start of a study and clearly states the relationship between variables

what are the two types of hypothesis?

directional and non-directional

what is directional hypothesis?

there is a clear stated difference between the two conditions or groups of people (words like less, higher, lower)

what is non directional hypothesis

states that there is a difference between the two groups/ conditions but the difference is not stated/ specified