Option (b) is correct.

According to the passage, the carry-over effect in television viewing refers to the tendency of viewers to continue watching a particular network channel after starting their evening viewing on that channel. The passage states that network executives spend a lot of time working on scheduling because they know that once a viewer starts watching a specific network channel, they tend to stay there.

विकल्प (b) सही है।

टेलीविजन के संदर्भ में "वशिष्ट प्रभाव" का अर्थ "इसे देखना जारी रखना" है।