Soal SMA · Penerapan · Kesulitan 3/5

A study finds that students who eat breakfast score higher on tests. Which of the following is the most likely confounding variable?

A.Test difficulty
B.Socioeconomic status
C.Time of day
D.Subject matter

Kunci jawaban & pembahasan

Jawaban: Socioeconomic status

Socioeconomic status could affect both breakfast habits and test performance.

Mau penjelasan yang menyesuaikan level anak?

Xinau AI membahas soal langkah demi langkah, menyesuaikan gaya bahasa dengan usia anak, dan menyusun latihan berikutnya berdasarkan jawaban sebelumnya.

Coba gratis 30 hari

Soal serupa

Read the following sentence: 'The teacher asked the students to submit their assignments by Friday.' What does the word 'submit' mean in this context?
Which of the following sentences uses the present perfect tense correctly?
What is the correct passive form of the sentence 'The committee will announce the results tomorrow'?
Choose the correct word to complete the sentence: 'If I _____ you, I would apologize to her.'
Read the sentence: 'Despite the heavy rain, the outdoor concert continued as planned.' What does 'despite' mean?
Which sentence correctly uses a gerund after the verb 'enjoy'?