Christina's parents are very strict about her academic performance. when she performs well, they shower her with love. when she does poorly, they are unfriendly and distant. christina soon learns that the only way she can receive their love is by performing well academically. christina is learning her which will later play a role in her sense of self-concept.

The answer is conditions of worth. The conditions of worth is where a person must meet a certain task or achievement to meet a certain condition that they need in which Christina must do well in her academics just to accept the love her parents can give.

hygrometers and hair thermometers (often found as part of hygrometers/psychrometers) can be used to measure humidity. barometers are used to measure atmospheric pressure, while anemometers are used to measure wind speed. so the 2nd and 4th choices should be the correct answers.