Working Paper No. 23-07 - Experimental education research: rethinking why, how and when to

For example, Columb’s law states that the magnitude of the electrostatic force of attraction/repulsion between two point charges is directly proportional to the product of the magnitudes of charges. [...] This implies that, so long as the researcher validly measures the construct(s) that are specified in the theory, the direction of the estimated effect allows the researcher to check whether the results falsify the ordinal prediction or not (Tunc, Tunc, & Laken, 2021). [...] Other results, in particular the point estimate (or effect size) are of interest only in the instrumental sense that they determine the centre of the confidence interval. [...] The costs include the financial, human and other resources necessary to pursue a given course of action and the benefits comprise the socially desirable causal effects of the course of action, ideally converted into a commensurable monetary value. [...] Regardless of the KCA, the decision maker cares about the confidence interval in the population of interest i.e., the pupils with whom they work.