WASHINGTON — The House has taken a step toward requiring members and staff to undergo training to prevent sexual harassment and discrimination, a change that would bring employment standards in Congress more in line with the rest of the federal government.

A bipartisan group of lawmakers introduced a resolution Friday requiring all members, congressional staff, interns, and fellows to receive antiharassment and antidiscrimination training, which currently is voluntary and completed at the request of each member office.

Each member and employee would receive training within the first 90 days of each session of Congress, or within 90 days of becoming a member or an employee.

Each member office would be required to display a poster created by the Office of Compliance that outlines employees’ legal rights and protections and how they can report allegations of workplace violations.

The House is expected to vote on the resolution this week, according to the House Administration Committee, which oversees daily operations in the House. Mandating antiharassment training already has the support of House Speaker Paul D. Ryan, a Wisconsin Republican, and minority leader Nancy Pelosi, a California Democrat.

If adopted, these changes would mark a victory for advocates and people affected by inappropriate workplace behavior on Capitol Hill.

Anti-harassment and antidiscrimination training is a requirement for federal agencies and the majority of the private sector.

Earlier this month, the Senate approved a bipartisan resolution requiring periodic antiharassment training for senators, aides, and interns.

Lawmakers in recent weeks have come under pressure to improve the workplace culture on the Hill amid reports of lewd comments, unwanted sexual advances and other examples of sexual misconduct that have plagued Congress for decades.

Two lawmakers, Senator Al Franken and Representative John Conyers Jr., are facing multiple allegations of inappropriate behavior. The House Ethics Committee is investigating allegations of misconduct by Conyers.

At a public hearing earlier this month, female lawmakers described sexual harassment as a pervasive problem and suggested current members of Congress have engaged in misconduct. A bipartisan group of lawmakers has introduced changes to expand workplace protections in Congress, beyond mandatory employment training.

Lawmakers pushing for mandatory training have called the requirement a necessary ‘‘first step’’ toward preventing sexual harassment in Congress and improving the workplace culture on Capitol Hill.

‘‘Instituting mandatory training is a first step in ensuring we are creating a safe and productive environment for everyone in the House,’’ Harper said in a statement.

Harper said the committee will continue to review other necessary changes or resources to address harassment and discrimination in Congress.

In a separate development, a Washington lawyer said Representative John Conyers verbally abused her and acted inappropriately when she worked for him on Capitol Hill in the 1990s.

Melanie Sloan said last week that she did not believe she was sexually harassed by the Michigan Democrat, though she said one time she showed up to a meeting at his office and he was in his underwear.

Sloan said Conyers would yell at her, berate her, and criticize her appearance.