"Shared life history strategy as a strong predictor of romantic relationship satisfaction."
* sample consisted of 428 University of Arizona undergraduate students, average age was 19.0 years (SD = 2.3), they are TOO young, they should had used a sample with persons over 26 years old.
* the authors should had controlled women of the sample taking contraceptive pills or not.
Remember: Several studies showing contraceptive pills users make different mate choices, on average, compared to non-users. "Only short-term but not long-term partner preferences tend to vary with the menstrual cycle"
* The NEO Five Factor Inventory (Costa & McCrae, 1992) to assess personality and that test in an oversimplification.
(there are several ways to assess personality and several ways to calculate similarity. I had been suggesting the 16PF5 and pattern comparison by correlation since years)