2. The SPINE of statistics

Question 1

Define confidence intervals

Answer 1

Intervals that contain the ‘true’ population value of the parameter in 95% of samples

Question 2

You can understand most psychological statistics with what 5 concepts?
1. P____ define the model and represent h____ of interest
2. E____ (p____ are e____ based on s____ data)
3. N____
4. I____ estimates
- all p____ have one
- C____ intervals might tell us something about the t____ value of the parameter
5. S____ error (of a p____)
- tells us about the v____ in p____ estimates from s____ to s____
- s____ tests and c____ intervals rely on the s____ error

Answer 2

1. Parameter, hypotheses
2. Estimation, parameters, estimates, sample
3. NHST (covered in next lecture)
4. Interval, parameters, confidence, true
5. Standard, parameter, variability, parameter, sample, sample, significance, confidence, standard