Practise converting research aims into alternative, null, directional or non-directional hypotheses with operational variables and wording that matches the evidence base.
A study has the hypothesis 'Four-year-old children make more language mistakes than eight-year-old children.'
State whether this hypothesis is a:
- directional hypothesis
- non-directional hypothesis
- null hypothesis.
directional hypothesis (definitive)
1
3(b)
Explain the reason for your choice in part (a).
It says which level of the IV will be better/higher; (generic) It says which IV level, in this case older children, will be 'better'; (link)
As it states the causal effect of older age causing fewer mistakes; (link)
2
Generic response = 1
Linked response =2
'Shows direction of results' =0= REP