Dopolnjen MTMM merski model, ki sta ga zasnovala Saris in Andrews (1991), je bil uporabljen za ocenjevanje merske kakovosti štirih dimenzij socialne opore zato, ker lahko z njim ocenimo veljavnost, zanesljivost in učinek metode za vsako spremenljivko posebej. Na osnovi teoretičnih in empiričnih spoznanj so bili oblikovani štirje omrežni generatorji za merjenje teoretično utemeljenih dimenzij socialne opore. Vsebina omrežnih generatorjev za merjenje materialne, informacijske in emocionalne opore ter druženja je bila prilagojena značilnostim eksperimentalnih skupin – študentom četrtega letnika družboslovnih informatikov Fakultete za družbene vede v Ljubljani. Zasnovan je bil kompleksen eksperimentalni načrt za iskanje dejavnikov, ki vplivajo na kakovost merjenja socialne opore z anketnim vprašalnikom. Eksperimentalni načrt vsebuje značilnosti merskega instrumenta, ki lahko vplivajo na ocene zanesljivosti, veljavnosti in učinka metod, katere so raziskovalci kakovosti podatkov, pridobljenih z anketo, že spoznali za pomembne. V eksperimentalnem načrtu so bile vključene dve različni merski lestvici (binarna in enajst stopenjska ordinalna lestvica), dve tehniki zbiranja podatkov (prepoznavanje s seznama in naštevanje po spominu), sprejemanje socialne opore (osnovna vprašanja - sprejemanje), z omejitvijo števila izbir (tri izbire) in brez omejitve ter čas med zaporednimi ponovitvami štirikratnimi meritvami (en teden).
Among several approaches to evaluating measurement quality, the true score MTMM model proposed by Saris and Andrews (1991) was selected, owing to its ability to estimate reliability, validity and method effect of each variable separately. On the basis of theoretical and empirical findings, four network generators were designed to measure four theoretically firmly established social support dimensions. The contest of network generators measuring social companionship and material, informational, and emotional support exchange were adjusted to the characteristics of the experimental groups - students of fourth-year class of social informatics in FDV in Ljubljana. A complex experimental design to study the effects of measurement instruments on the measurement quality was proposed. All the variables included in the experimental design were previously found to affect measurement quality either by survey methodologists or by social network methodologists. Experimental variations included the provision of two response scales (a binary scale and an eleven point ordinal scale), two data collection techniques (recognition and a free recall), one directions of support exchange (original questions). the number of units (without limitation and three units) and varying elapsed times between repeated measurements (one week).
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