18. Saeeda doesn’t know about the necessity for large participant numbers in multiple regression. She’s only got 20 participants in her study, and she has 10 explanatory variables. Which is the most appropriate statement? Compared with an analysis using 100 participants, Multiple R will be:

(a) Conflated

(b) Inflated

(c) Deflated

(d) No different Questions 19 and 20 relate to the following, which is an extract from a results section in a journal:

‘All predictors significantly predicted blood pressure (adj. r 2 = .42; p = .002). Stress during the interview was the strongest predictor of increased blood pressure (beta = 0.49, p = .001) followed by age

(beta = 0.18, p = .002).’