The term "direct positive effect" is correct and usable in written English.
You could use it to describe an outcome that has a direct and specific positive impact on something. For example, "The new policy had a direct positive effect on employee satisfaction."
Perceptions of implementation climate will have a direct positive effect on implementation effectiveness.
Therefore, our second hypothesis is as follows: H2: Perceptions of implementation climate will have a direct positive effect on implementation effectiveness.
In addition, MO partially mediated the direct positive effect of innovative organizational culture on firm performance.
The highest, direct, positive effect was recorded for the number of fruits per vine.
Tree cover was not affected by fragmentation, and had a direct positive effect on AGC but not on SOC.
It is particularly interesting that floating people's living conditions have no direct positive effect on the increase of construction land.
The second strategy has a strong direct positive effect on place reputation as well as two positive mediated effects though place brand adoption and reducing conflicts among stakeholders.
Organic amendments had a direct positive effect on these abiotic factors, especially on the soil pH, a key factor in achieving long-term remediation.
The results from the difference-in-differences method show that democracy itself has no direct positive effect on innovation measured with patent counts, patent citations and patent originality.
Attitude towards OSH practices, knowledge on OSH practices, and self-efficacy in safety had a direct positive effect on farmers' use of OSH practices, explaining 73% of the variance in farmers' safety behaviour.
It is hypothesized that each strategy has a direct positive effect on place reputation as well as two indirect (mediated) positive effects by increasing place brand adoption and reducing conflicts about place marketing by and between place stakeholders.
